Category: Love is the Number of Keys
Synopsis: Jyun is on his own for the first time as his father has gone overseas for a new job. He stays behind because of schooling and moves into an appartment complex as assistant manager only to discover the place is a sex service appartment.
Alternate Names: Ai ha Kagi no Kazu dake… Fuuzoku Mansion, Love is the Number of Keys, 愛は鍵の数だけ… 風俗マンション
Aired: May 25, 2002
Producers: Milky Animation Label, NuTech Digital
Source: Original