Bossing team Bottom, Clearing team top.
Attack the enemy below your clearing team then swap places with your bossing team and use that team to attack the enemy now to your left.
Use your clearing team to attack the enemy next to it and move your bossing team one spot down
Use your clearing team to grab the giftbox above it then move your bossing team one spot left to (1). The boss will attack you for a 3-turn clear.