Kamejiro, who lives with her heart, learns that she has been invited to a reunion of her ● school days. She just turned 20 and is not yet used to drinking alcohol, so Kamejiro worries about sending her to a drinking event. During the reunion, he tries to contact her several times but cannot get through… The next day, when Kamejiro sees her returning home in the morning, he confronts her, but she says nothing. Even more worried, Kamejiro witnesses her bringing home a man (ex-boyfriend) she reconnected with at the reunion and ends up seeing the entire affair, causing him to become enraged and aroused-
