hey there, i was looking for a yaoi manga with a plot like this: there was a boy who was ...

hey there, i was looking for a yaoi manga with a plot like this:

there was a boy who was used like a sex slave by his father then he was fond of reading books that was given by his neighbor. the name of a boy was given by that neighbor in resemblance to a flower/plant. then the neighbor had a brother who fell in love with the boy and had sex with him until they realized that they fell in love with each other.

i want the name of the manga, i know i read it here, but i forgot the title. DD; the boy's name was like, "Camelia" idk, i forgot DD;