Amaeta Kemono no Shitsukekata

Kazuki is working as an intern under an alias at his father's company, hiding his true identity. He is deeply in love with Saijou Chiharu, and their relationship seems happy.

However, when Chiharu becomes the center of attention at a mixer party, Kazuki's jealousy gets the better of him. In an attempt to assert control, he decides to withhold sex from Chiharu, testing how long he can last and what consequences this decision will bring to their bond.