Episode 4

S1 E4: Kyouka proposes to Tenka Izumo, to hold a Mato Intersquad Tournament in order to ascertain their strength. This is also to get back at Yachiho Azuma, the 6th Squad's Second-in-Command, who involves with Himari in some way. Himari decides to make Yuuki into her slave using Learning ability, which allows her to use other people's abilities.