Kyou Kara, Hito zu Mansion ni Nyuukyoshimasu.

Sachiya, an ordinary salaryman, moves into an apartment where, for some reason, all his neighbors are married women whose husbands are away for work, such that Sachiya is the only man in the complex. They naturally start asking Sachiya to help them with the chores that need a man's strength, and in return they offer him plenty of home-cooked meals and other thoughtful gifts. Until one day, when his neighbor Nonoka discovers that Sachiya has a strong libido who needs to get off several times a day. Since then, the lonely and sexually frustrated women in the complex start asking Sachiya for a different sort of help… (Source: Yanmaga, translated)