Based on the manga by U-Jin. This is a story of two siblings, Anzu and Naruto Nozaki, heirs to the fabulous Nozaki fortune. Naruto appears to be an overbearing sis-con. In fact, he's madly in love with Anzu, because they're not blood-related. He confines her to the family mansion for "security," de...

Source: MyAnimeList