Mirika has kidnapped Naoya and locked him in a room while Saki and the others try to find the key. Shino is taken aback by Mirika's resolve, and begins to question the way she's been hiding her own feelings.
While Naoya gets into the clutches of Rika and Shion and tries to escape them both, Saki and Nagisa have a quiet talk and discuss their history with Naoya.
Naoya takes Saki and Nagisa to Hakone to enjoy the hot springs, only to find Rika has followed then, as well as Shion a new girl who has suspicions about them.