You've Got a Friend

Yoshida Yoshio, a diligent man who works for the city's water department and lives with his bedridden mother, is a hardcore masochist man. He regularly visits to the SM club queen Miho, but he still cannot forget the legendary S.M. queen Yukiko who brought him into the sadism and masochism world. While he chases the afterimages of Yukiko, he sees her in an unexpected place...
(Source: jfdb.jp)
~~ Adapted from the manga “Yugata no Otomodachi” (夕方のおともだち) by Yamamoto Naoki (山本直樹).