http://www.mangago.me/read-manga/tell_me_the_price_of_love/ Technically the seme you want isnt the main character but its similar, uke kinda confessed to his senior but got no answer/ignored and a few years later. Seme meets the uke and wants him, kinda forced him too yeah but the main seme is a lil diff
http://www.mangago.me/read-manga/koakuma_no_sanctuary/
The seme breaks up with the uke. And after some time, they meet up again, the rest is spoiler..
Manga with a seme that does not care about uke then uke goes away and some time later they meet again and seme wants to come back with uke! (〜 ̄△ ̄)〜