romances where the mc end up with the second lead

My dear cold blooded king ٩(๑❛ᴗ❛๑)۶

http://www.mangago.zone/read-manga/cherry_boy_that_girl/

http://www.mangago.zone/read-manga/moe_kare/

http://www.mangago.zone/read-manga/uwasa_no_midori_kun/

http://www.mangago.zone/read-manga/the_best_wolf_in_my_life/

So sorry! I didn't read what you were looking for all the way. My suggestion doesn't match what you're looking for. Nevertheless there is a love triangle, so maybe that will satisfy you? Hope you find what you are looking for.