Awaking from a terrible hangover, Masato found himself half-naked in an unfamiliar room... and lying next to him, also half-naked and asleep, was none other than Kasima Haruka, a junior colleague from the company he had always been interested in! Although he had wanted to confess to her seriously someday, driven by impulse, he had spent the night with her, now filled with regret and repeatedly apologizing. Seeing Masato's attitude, Haruka seemed to become rather displeased...?!
