Help

http://www.mangago.me/read-manga/tadareta_koi_ni_wa_itashimasen/
probably what you're looking for lol

http://www.mangago.me/read-manga/renai_nante_yurushimasen/
sequel: http://www.mangago.me/read-manga/netsuai_nante_ariemasen/
previously a playboy who'd sleep with lots of men, found a good friend in uke and had an unrequited love for him for 6 years. he hadn't went 'hunting' ever since he realised his feelings

http://www.mangago.me/read-manga/kocchi_muite_ai/
thought his neighbor had a crush on him but he was mistaken. didn't rly bring any girls back ever since, i think.

http://www.mangago.me/read-manga/yoidore_koi_o_sezu/
uke used to sleep around a lot, found the seme one night and had the best sex of his life. later he's employed under the seme. really cute.