Stuck together by a mysterious light - S1.E11

Karin and Kazune squabble as they prepare to go to school. They are confronted by Kirio and as they both transform they become attached to each other. They spend the day attached while Kirio ponders about their strange behaviour believing that it is an advanced battle tactic to do with being in love. When Karin and Kazune resolve their squabbling, they separate.