You are a daughter of a famous model . You find out that your mother is going to remarry a good looking guy. The guy your mother is going to marry have 2 sons and they're twins. They like you...really really like you. Guess we three will get along after all..? "We love our little sister so much~!" "Little sister , you're so cute~" Behind that smile have a sinister looks. Could this be brotherly love or...an obsession? Warning: lemon / Gore/ etc...