Aisare Sugite Komaru No
Puzzle (morie Satoshi)
Two elite students match each other perfectly, until one of them fell from grace when his father was branded a criminal. What will the other do so they both can match once again? That last page was enough to label the whole thing as pretty fucking hot.
Velvet Kiss
First half: sex, sex, sex. Second half: plot development and a bit of sex.
Wagamama Wanko no Shitsukekata
Blood Bank
Really moving story, incredibly beautiful art, characters you can't help but fall in love with, all-round great manhwa.
Mask Catharsis
Man, that mangaka is such a tease xD While I can't say I liked male MC, I do like dark-haired guys with a mole on their face :P
Ojou-sama To Maid-san Ga Yuri Yuri Suru