Either Shoujo Sect या Rin: Daughters of Mnemosyne. Shoujo Sect is और sex-based sexy and Rin: Daughters of Mnemosyne is like stereotypical या mainstreamed sexy.
3 sexy men from Real द्वारा Takehiko Inoue. This was probably the saddest मांगा I've ever read in my life. I cried in every volume... :( But it's a fantastic read!