Koyuki

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Koyuki
⭐⭐⭐
Koyuki
Koyuki
SchoolRole

Millennium

Millennium

Attacker

Attacker/Back
Damage TypeMystic
Armor TypeHeavy
Combat ClassStriker
Affinity
Urban Outdoor Indoor
S D B
Doesn't use coverMG
MG
Gloves Hairpin Watch
Profile
Full NameKurosaki Koyuki
(黒崎 コユキ)
Age15
BirthdayFebruary 14
Height149cm
HobbiesGambling, escapes
DesignerMISOM150
IllustratorMISOM150
VoiceInui Natsune
Release Date2023/03/08

Background[edit]

Genius girl from the Millennium Science School, Koyuki is a troublemaker member of the "Seminar" student council.

Koyuki is a prodigy when it comes to analyzing probabilities, although she herself is completely unaware of it. Koyuki likes games of chance, and constantly tries her luck in various ways. Even when she is in trouble, she never gives up.

ミレニアムサイエンススクール所属、生徒会「セミナー」のトラブルメーカーな天才少女。

数学的な暗号の解読に関して、天賦の才を持っているが、本人にはその自覚が全くない。また、自分では制御できない運が絡む要素が好きで、様々な方法で自分の運を試している。苦難にあっても諦めない。

How to Obtain[edit]

  • Regular Gacha pool
  • Koyuki rate-up banner (03/08/2023 - 03/22/2023)


Character Details[edit]

Stats
Attack 347/3471 Defense 76/456 HP 2141/18560 Healing 1467/4402
Accuracy 104 Evasion 190 Critical Rate 209 Critical Damage 200%
Stability 1332 Firing Range 750 CC Strength 100 CC Resistance 100
Attack speed 10000 Movement speed 200 Cost Recovery 700 Ammo 25/5
Affection rank bonusTotal bonus at affection rank 50:
2: Attack+3Momotalk, 20 pyroxene reward
3: Attack+3Momotalk, 40 pyroxene reward
4: Attack+3
5: Attack+3Momotalk, 60 pyroxene reward
6: Attack+5Momotalk, 80 pyroxene reward
7: Attack+5
8: Attack+5Memorial lobby unlocks at this rank, 100 pyroxene reward
9: Attack+5
10: Attack+5
11: Attack+7 HP+47
12: Attack+7 HP+47
13: Attack+7 HP+47
14: Attack+7 HP+47
15: Attack+7 HP+47
16: Attack+9 HP+56
17: Attack+9 HP+56
18: Attack+9 HP+56
19: Attack+9 HP+56
20: Attack+9 HP+56
21: Attack+2 HP+10
22: Attack+2 HP+10
23: Attack+2 HP+10
24: Attack+2 HP+10
25: Attack+2 HP+10
26: Attack+2 HP+10
27: Attack+2 HP+10
28: Attack+2 HP+10
29: Attack+2 HP+10
30: Attack+2 HP+10
31: Attack+3 HP+15
32: Attack+3 HP+15
33: Attack+3 HP+15
34: Attack+3 HP+15
35: Attack+3 HP+15
36: Attack+3 HP+15
37: Attack+3 HP+15
38: Attack+3 HP+15
39: Attack+3 HP+15
40: Attack+3 HP+15
41: Attack+6 HP+24
42: Attack+6 HP+24
43: Attack+6 HP+24
44: Attack+6 HP+24
45: Attack+6 HP+24
46: Attack+6 HP+24
47: Attack+6 HP+24
48: Attack+6 HP+24
49: Attack+6 HP+24
50: Attack+6 HP+24

Skills[edit]

EX Skill
Cost 4
SkillIcon Background Mystic.svg
SKILLICON CH0198 EXSKILL.png


トリッキーな変数Tricky variables
Throw a random bomb, dealing damage to enemies within a circular area.
Bullet: Deal 233~444% damage
Electric Field: Deal 221~421% damage
Explosion: Deal 209~398% damage

Lv. Cost Description
1 4

Throw a random bomb, dealing damage to enemies within a circular area.
Bullet: Deal 233% damage
Electric Field: Deal 221% damage
Explosion: Deal 209% damage

2

Throw a random bomb, dealing damage to enemies within a circular area.
Bullet: Deal 268% damage
Electric Field: Deal 255% damage
Explosion: Deal 241% damage

12Beginner Tactical Training Blu-ray (Millennium) 12Voynich Manuscript Page 80kCredits

3

Throw a random bomb, dealing damage to enemies within a circular area.
Bullet: Deal 339% damage
Electric Field: Deal 321% damage
Explosion: Deal 304% damage

12Normal Tactical Training Blu-ray (Millennium) 18Beginner Tactical Training Blu-ray (Millennium) 13Damaged Voynich Manuscript 31Crystal Haniwa Fragment 500kCredits

4

Throw a random bomb, dealing damage to enemies within a circular area.
Bullet: Deal 374% damage
Electric Field: Deal 354% damage
Explosion: Deal 335% damage

12Advanced Tactical Training Blu-ray (Millennium) 18Normal Tactical Training Blu-ray (Millennium) 11Annotated Voynich Manuscript 24Broken Crystal Haniwa 3MCredits

5

Throw a random bomb, dealing damage to enemies within a circular area.
Bullet: Deal 444% damage
Electric Field: Deal 421% damage
Explosion: Deal 398% damage

8Superior Tactical Training Blu-ray (Millennium) 18Advanced Tactical Training Blu-ray (Millennium) 6Intact Voynich Manuscript 20Repaired Crystal Haniwa 10MCredits

Normal Skill
SkillIcon Background Mystic.svg
COMMON SKILLICON BOUNCEPROJECTILE.png


1人だと思いましたか!?Did you think it was just you!?
Every 30 seconds, deal 202~385% damage to one enemy. If there are enemies nearby, deal the same damage to 2 nearby enemies.
Reload immediately after skill activation.

Lv. Description
1

Every 30 seconds, deal 202% damage to one enemy. If there are enemies nearby, deal the same damage to 2 nearby enemies.
Reload immediately after skill activation.

2

Every 30 seconds, deal 212% damage to one enemy. If there are enemies nearby, deal the same damage to 2 nearby enemies.
Reload immediately after skill activation.

5Beginner Tech Notes (Millennium) 5000Credits

3

Every 30 seconds, deal 223% damage to one enemy. If there are enemies nearby, deal the same damage to 2 nearby enemies.
Reload immediately after skill activation.

8Beginner Tech Notes (Millennium) 7500Credits

4

Every 30 seconds, deal 263% damage to one enemy. If there are enemies nearby, deal the same damage to 2 nearby enemies.
Reload immediately after skill activation.

5Normal Tech Notes (Millennium) 12Beginner Tech Notes (Millennium) 4Voynich Manuscript Page 60kCredits

5

Every 30 seconds, deal 273% damage to one enemy. If there are enemies nearby, deal the same damage to 2 nearby enemies.
Reload immediately after skill activation.

8Normal Tech Notes (Millennium) 4Damaged Voynich Manuscript 14Crystal Haniwa Fragment 90kCredits

6

Every 30 seconds, deal 283% damage to one enemy. If there are enemies nearby, deal the same damage to 2 nearby enemies.
Reload immediately after skill activation.

5Advanced Tech Notes (Millennium) 12Normal Tech Notes (Millennium) 10Damaged Voynich Manuscript 18Crystal Haniwa Fragment 300kCredits

7

Every 30 seconds, deal 324% damage to one enemy. If there are enemies nearby, deal the same damage to 2 nearby enemies.
Reload immediately after skill activation.

8Advanced Tech Notes (Millennium) 3Annotated Voynich Manuscript 14Broken Crystal Haniwa 450kCredits

8

Every 30 seconds, deal 334% damage to one enemy. If there are enemies nearby, deal the same damage to 2 nearby enemies.
Reload immediately after skill activation.

8Superior Tech Notes (Millennium) 12Advanced Tech Notes (Millennium) 4Intact Voynich Manuscript 8Repaired Crystal Haniwa 1.5MCredits

9

Every 30 seconds, deal 344% damage to one enemy. If there are enemies nearby, deal the same damage to 2 nearby enemies.
Reload immediately after skill activation.

12Superior Tech Notes (Millennium) 8Intact Voynich Manuscript 14Repaired Crystal Haniwa 2.4MCredits

10

Every 30 seconds, deal 385% damage to one enemy. If there are enemies nearby, deal the same damage to 2 nearby enemies.
Reload immediately after skill activation.

1Secret Tech Notes 4MCredits

Passive Skill
SkillIcon Background Mystic.svg
COMMON SKILLICON WEAPONBUFF.png


ミラクルを信じてますか?Do you believe in miracles?
Increase Attack by 14~26.6%.

Lv. Description
1

Increase Attack by 14%.

2

Increase Attack by 14.7%.

5Beginner Tech Notes (Millennium) 5000Credits

3

Increase Attack by 15.4%.

8Beginner Tech Notes (Millennium) 7500Credits

4

Increase Attack by 18.2%.

5Normal Tech Notes (Millennium) 12Beginner Tech Notes (Millennium) 4Voynich Manuscript Page 60kCredits

5

Increase Attack by 18.9%.

8Normal Tech Notes (Millennium) 4Damaged Voynich Manuscript 14Crystal Haniwa Fragment 90kCredits

6

Increase Attack by 19.6%.

5Advanced Tech Notes (Millennium) 12Normal Tech Notes (Millennium) 10Damaged Voynich Manuscript 18Crystal Haniwa Fragment 300kCredits

7

Increase Attack by 22.4%.

8Advanced Tech Notes (Millennium) 3Annotated Voynich Manuscript 14Broken Crystal Haniwa 450kCredits

8

Increase Attack by 23.1%.

8Superior Tech Notes (Millennium) 12Advanced Tech Notes (Millennium) 4Intact Voynich Manuscript 8Repaired Crystal Haniwa 1.5MCredits

9

Increase Attack by 23.8%.

12Superior Tech Notes (Millennium) 8Intact Voynich Manuscript 14Repaired Crystal Haniwa 2.4MCredits

10

Increase Attack by 26.6%.

1Secret Tech Notes 4MCredits

Sub Skill
SkillIcon Background Mystic.svg
COMMON SKILLICON WEAPONBUFF.png


カオス理論Chaos theory
When EX skill is activated, increase Attack depending on the type of bomb used. (Duration: 40 seconds)
Bullet: Increase Attack by 15.3~29.1%
Electric Field:Increase Attack by 14.5~27.5%
Explosion: Increase Attack by 13.7~26%

Lv. Description
1

When EX skill is activated, increase Attack depending on the type of bomb used. (Duration: 40 seconds)
Bullet: Increase Attack by 15.3%
Electric Field:Increase Attack by 14.5%
Explosion: Increase Attack by 13.7%

2

When EX skill is activated, increase Attack depending on the type of bomb used. (Duration: 40 seconds)
Bullet: Increase Attack by 16.1%
Electric Field:Increase Attack by 15.2%
Explosion: Increase Attack by 14.4%

5Beginner Tech Notes (Millennium) 5000Credits

3

When EX skill is activated, increase Attack depending on the type of bomb used. (Duration: 40 seconds)
Bullet: Increase Attack by 16.8%
Electric Field:Increase Attack by 15.9%
Explosion: Increase Attack by 15%

8Beginner Tech Notes (Millennium) 7500Credits

4

When EX skill is activated, increase Attack depending on the type of bomb used. (Duration: 40 seconds)
Bullet: Increase Attack by 19.9%
Electric Field:Increase Attack by 18.8%
Explosion: Increase Attack by 17.8%

5Normal Tech Notes (Millennium) 12Beginner Tech Notes (Millennium) 4Voynich Manuscript Page 60kCredits

5

When EX skill is activated, increase Attack depending on the type of bomb used. (Duration: 40 seconds)
Bullet: Increase Attack by 20.6%
Electric Field:Increase Attack by 19.6%
Explosion: Increase Attack by 18.5%

8Normal Tech Notes (Millennium) 4Damaged Voynich Manuscript 14Crystal Haniwa Fragment 90kCredits

6

When EX skill is activated, increase Attack depending on the type of bomb used. (Duration: 40 seconds)
Bullet: Increase Attack by 21.4%
Electric Field:Increase Attack by 20.3%
Explosion: Increase Attack by 19.2%

5Advanced Tech Notes (Millennium) 12Normal Tech Notes (Millennium) 10Damaged Voynich Manuscript 18Crystal Haniwa Fragment 300kCredits

7

When EX skill is activated, increase Attack depending on the type of bomb used. (Duration: 40 seconds)
Bullet: Increase Attack by 24.5%
Electric Field:Increase Attack by 23.2%
Explosion: Increase Attack by 21.9%

8Advanced Tech Notes (Millennium) 3Annotated Voynich Manuscript 14Broken Crystal Haniwa 450kCredits

8

When EX skill is activated, increase Attack depending on the type of bomb used. (Duration: 40 seconds)
Bullet: Increase Attack by 25.2%
Electric Field:Increase Attack by 23.9%
Explosion: Increase Attack by 22.6%

8Superior Tech Notes (Millennium) 12Advanced Tech Notes (Millennium) 4Intact Voynich Manuscript 8Repaired Crystal Haniwa 1.5MCredits

9

When EX skill is activated, increase Attack depending on the type of bomb used. (Duration: 40 seconds)
Bullet: Increase Attack by 26%
Electric Field:Increase Attack by 24.6%
Explosion: Increase Attack by 23.3%

12Superior Tech Notes (Millennium) 8Intact Voynich Manuscript 14Repaired Crystal Haniwa 2.4MCredits

10

When EX skill is activated, increase Attack depending on the type of bomb used. (Duration: 40 seconds)
Bullet: Increase Attack by 29.1%
Electric Field:Increase Attack by 27.5%
Explosion: Increase Attack by 26%

1Secret Tech Notes 4MCredits


Unique weapon[edit]

Weapon Icon CH0198.png

Mulli・Gunマリ・ガン

Koyuki's trusted machine gun.

The color got changed when it was sent in for repairs. It's a sturdy gun, and Koyuki doesn't mind the minute details.

コユキと共にあらゆる苦難を乗り越えてきたマシンガン。

一度修理に出した際に色を変えた。些細なことを気にしないコユキに似て頑丈な銃だ。

Rank
Icon blue star.pngIcon blue star.png Passive Skill changes to Do you believe in miracles? +
Icon blue star.pngIcon blue star.pngIcon blue star.png Urban Urban area affinity SS SS
Stats
Level 1 Level 30 Level 40 Level 50 Level 60 Level 70
Attack 153 554 693 832 970 1109
HP 537 1951 2439 2927 3415 3903
Weapon Passive Skill
SkillIcon Background Mystic Plus.svg
COMMON SKILLICON WEAPONBUFF.png


ミラクルを信じてますか?+Do you believe in miracles? +
Increase Attack by 417~792. Further increase Attack by 14~26.6%.

Lv. Description
1

Increase Attack by 417. Further increase Attack by 14%.

2

Increase Attack by 438. Further increase Attack by 14.7%.

3

Increase Attack by 459. Further increase Attack by 15.4%.

4

Increase Attack by 542. Further increase Attack by 18.2%.

5

Increase Attack by 563. Further increase Attack by 18.9%.

6

Increase Attack by 583. Further increase Attack by 19.6%.

7

Increase Attack by 667. Further increase Attack by 22.4%.

8

Increase Attack by 688. Further increase Attack by 23.1%.

9

Increase Attack by 708. Further increase Attack by 23.8%.

10

Increase Attack by 792. Further increase Attack by 26.6%.

Voiceover[edit]

See Koyuki/audio

Cafe[edit]

Cafe interaction[edit]

Jellies Plush Claw Machine
Koyuki has a unique interaction with Jellies Plush Claw Machine in the cafe.

Gifts[edit]

Her favorite gifts are: Brain Teaser Puzzle CubeBrain Teaser Puzzle Cube "The Life" Board Game"The Life" Board Game World's Most Useless GadgetWorld's Most Useless Gadget

Koyuki also likes 30-Color Paint Set30-Color Paint Set Astronomical TelescopeAstronomical Telescope Cosplayer Coke-Bottle GlassesCosplayer Coke-Bottle Glasses Teddy Bear with BowTeddy Bear with Bow