In ReLIFE Episode 12 ("Double Panic"), Arata Kaizaki works to help Kazuomi Oga realize his feelings for Rena Kariu during the school festival, while support staff Ryo Yoake notes significant social growth in subject Chizuru Hishiro. The episode concludes with romantic tension culminating at the fireworks display and the anticipation of the first year of the experiment ending. A detailed synopsis of the event can be found on the ReLIFE Wiki . ReLIFE, Episode 12 - There Goes My Kokoro