1-3: Caster & Mild
One morning after a drunken blowout, Kei opens his eyes to an unfamiliar ceiling and to a valiantly over-helpful man who he also doesn't know, Asahi.

3.5: Caster & Mild Side Story
Asahi says he's a friend of Kei's friend Rio, and he tells Kei straightforwardly that he's been interested in him for a while. Even though he's not Kei's type at all, to Kei's amazement, Asahi seems rather attached to him. Since the person he was living with has thrown him out and he has nowhere to live, he accepts Asahi's hospitality…

4: Otona no Kodomo (Adult and Child)

5: Nakimushi Kemushi, Ame, Ajisai (Crybaby Caterpillars, Rain, Hydrangeas)

5.5: Caster & Mild After Story