Starting from where Episode 11 left off, Lala accepts Haruna's feelings and vows to help her have her own relationship with Rito. At the water park, Yami is less violent towards Rito than normal and Haruna and Lala are noticeably closer. Yui is flustered at being around Rito in her bikini. Saruyama observes Rito and tells him that he has changed after Lala came around as Rito is more comfortable being with girls. Rito tries to understand the values of Lala. Nearby, Run and Kyouko perform a concert when an alien amoeba attacks and suffocates everyone...