Hm...
Not* rlly in it for the romance
http://www.mangago.me/read-manga/abarenbo_honey/
http://www.mangago.me/read-manga/sensei_wa_butchozura_shite_yatte_kuru/
http://www.mangago.me/read-manga/i_m_banging_my_rival_from_a_parallel_world/ (first story)
http://www.mangago.me/read-manga/unmei_no_kisu_wa_oazuke/
http://www.mangago.me/read-manga/never_understand/
http://www.mangago.me/read-manga/a_shoulder_to_cry_on/
http://www.mangago.me/read-manga/furyou_mesu_ochi/
it's BL if you don't mind, "To Take an Enemy's Heart"
false memories
Don’t b shy, give me the FFFIIINNNEEESSSTTTT enemies to lovers you’ve read.