it is a shoujo manga about a girl who transformed a fat guy to look like the model she idolize but apparently they are just the same.
http://www.mangago.me/read-manga/bishounen_shichihenge/ ????
this it the one, thank you (●'◡'●)
You're welcome
it is a shoujo manga about a girl who transformed a fat guy to look like the model she idolize but apparently they are just the same.