1) friends watch porn together while Uke has onesided feelings, the seme starts falling too and become a couple
2) Uke is bffs with seme and has had onesided felings, he was ready to give up bc seme liked a girl, but after a "false" confession the seme starts falling for the Uke
[I like 2 better]
Toriaezu Kiss Shite Kudasai