Friend

the uke falls in love with a guy who works at amusement park dressed as some mascot. The guy is also the friend of the uke's older brother. The uke actually was very attached to the mascot guy when they were little but the uke forgot when an incident happened causing the uke to be very upset and eventually saying "i hate teddy" which was the nickname given to the mascot guy back when they were little

they are couple and they suddenly exchange their body and another part is that guy embarassed to pee because it wasn't his body so he ask that owner body to help him pee.

His friend is close friend with his younger brother and one night out of envious he wish he can swite body,and when come morning he switched back with the younger brother. Younger brother also hv feeling with his older brother friend thus triangle love and when older brother properly confess,the switch body end

10) about two guy, one is kind of popular, the other is like punk or scary looking. The seme is the popular one, the uke is the scary looking guy. The scary looking guy decided to be the popular guy's bodyguard ( i think) because the poplar guy's dad save his family before
(Prequel)
http://www.mangago.me/read-manga/ichiban_chikaku_de_koi_o_suru/

there are two boys and they're bestfriends then they saw their older brothers kissing or having sex, not sure, then one boy said lets promise that we won't do that

2) childhood friend - the same is playboy and when he went out with uke,uke want t breakup.when same saw uke cry in class he brought home,breakup with all his gf and have sex with uke

Second year university student Suga has been living with his childhood friend, Hara, for half a year. They're good friends who can tell each other everything, except Suga has just one secret. That is-- his feelings for Hara, which are more than just friendship. One night, after finding Hara's jacket and getting turned on by the scent, he gets caught by Hara. With a "Aren't you going to continue?", Hara reaches for Suga

With an experiment of a kiss,Hiro freak out when Kiriya kiss him seriously one day and hiro avoid him until graduate then ran to tokyo.But now he met Kiriya coincidence ly when he was working as a construction builder and he must face his feelings

Miwa confesses his feelings to his friend Katou, but in response, Katou introduces Miwa to his gay friend Hashina. Miwa is shocked, and rejects Hashina, but that just makes Hashina fall in love creating an unrequited love triangle. Miwa finds comfort in him.

Main story:http://www.mangago.me/read-manga/kokui_no_mure/