Episode 5 (S01E05)

Ichiko and Otoya make the decision to revive their intimate relationship, but their enthusiasm soon gives way to irritation. Otoya is troubled by Mitsuki's parting words that linger in his mind, while Ichiko finds herself constantly measuring him against Rei. When Otoya stumbles upon Ichiko and Rei, he discovers that she has been paying Rei for his companionship. Overwhelmed with anger, Otoya confronts Ichiko, unable to hold back his feelings any longer.