Bokura ga ita - Season 1 Episode 18 Episode Eighteen
Overview: After some thinking Motoharu decides to tell Nanami all about Nana, so he invites her out. But it quickly becomes sort of like a date, when they go to see a movie to pass the time. Though soon afterwards thing become serious as Motoharu finally decides to open up, however it may not entirely be what Nanami wants to hear.