Strawberry 100% - Season 1 Episode 6 Present of All One's Might / Unknown Destination of Feelings
Overview: It is Nisino's birthday and she waits for something that will happen, what is this thing she's waiting for? In the night she and Manaka meet. In order for Manaka to decide on who he loves and should date he goes to Oukusa for help. Manaka decides and tells Satsuki something that would surprise her.