LOOKING FOR A MANGA... PLEASE HELP

if i remember clearly... the uke is an introvert and is all skin &bones, whereas the seme is an extrovert. they bout go out with each other but when they finally have sex, the seme does rough since he thought the uke was used to it but they uke was lying about it. a from the manga i remember clearly was when they were at a party with the semes friends and they asked how gay sex works, the dumbasss (lol) seme tried showing them with the uke and he got embarrassed&angry. alsoooo the seme love the ukes nape