Guido Hayashi

Adapted from the manga series "Sefure no Hinkaku" (セフレの品格) by Minato Yoriko (湊よりこ).

Katsuragi, an elite office worker who fell from a perfect life, drunkenly attempted to jump and commit suicide. Suddenly, he was helped by a mysterious man, Yoda, but that was the beginning of a horrible life of confinement training...