Joshi Ryou Ecchi♪ ~xxx Shimasu kara Ryouhi Kudasai!~

Main character receives invitation from his uncle to work part-time in the dormitory during summer vacations. He only needs to collect fees from the inhabitant girls, so he becomes the most influential person in the whole building...

[From vndbreview]

Cancelled VN which was later released as part of "2005 Kamihanki Lilith Best Selection with Joshi Ryou Ecchi"