Mazomai M na Imouto no Ecchi na Onedari | まぞまい　M な妹のエッチなおねだり

Parents are lost ten years ago, protagonist Kasuno Takumi who has brought up three younger sisters alone. While managing the coffee shop that parents left, older brother and younger sisters lives modestly peacefully.

A certain day, when you clean the room of parents whose antique collection was a hobby, it finds the milk vacuum bottle that lovely fairy was painted. It thinks that it is a doubtful thing because it is father who liked the occult, younger sisters seemed to like it, the preparation for tea with milk is immediately started.

Then the accident wakes up to younger sisters who drank tea with milk. It suddenly approaches the protagonist, younger sisters begun to appeal when it wanted you to do indecent thing. In addition, mere lewd not being, to Onii-chan "I want you to tease" start to said.

When you cannot tease important younger sisters, perplexed protagonist. However younger sisters, it appeals that want you to tease to loved Onii-chan.

Such older brother and younger sisters, very erotic foolish every day starts!!