Though the gang has decided on the lead actress for the classs indie film, theres still a script to be written! And what better way to brainstorm than a session at Ryous house?! But when Ai finds Ryous old notebook from when they were kids, the two uncover forgotten promises that put a whole new spin on his current relationship with Hina. Unable to recall much from back then, Ryou begins wondering why-- and what exactly Hina had to do with it...