This naughty group sex hentai story Harem time part 1 starts when a young attractive guy Satou Reiji became a new master of Kamiyama house. He is an only a male child from a rich man who had died. Looks like it will change a whole life of a young guy. But Satou can not be a real master before he choose a wife from 10 adorable mistresses. A great choice! And a lot of work…the girls are ready for everything.