Yarakashi / Mistake

Hane Aoba is a senior office worker who does her best to help her junior colleague Aki Kaminaga get closer to Atsuto Sugaya, the girl he has loved for a long time. However, Hane also has her own personal problems with her boyfriend, whom she is going to marry. During a conversation with Aki at a bar, she gets very drunk and tries to forget about her problems, but that was a big mistake, because soon she decides to have sex with Aki. Although Hane asks him to forget what happened, Aki refuses and seduces her again in the conference room.