soulmates manga?

Not BL
http://www.mangago.me/read-manga/his_barcode_tattoo/
http://www.mangago.me/read-manga/will_you_marry_me_again_if_you_are_reborn/
http://www.mangago.me/read-manga/this_time_i_will_definitely_be_happy/
http://www.mangago.me/read-manga/340_days/

BL
If you're into omegaverse:
http://www.mangago.me/read-manga/kiraide_isasete/
http://www.mangago.me/read-manga/kashikomarimashita_destiny/
http://www.mangago.me/read-manga/keeper_of_the_pearl/

If you're not into omegaverse:
http://www.mangago.me/read-manga/akai_ito_no_shikkou_yuuyo/
http://www.mangago.me/read-manga/kanawanu_koi_no_musubikata/
http://www.mangago.me/read-manga/ookami_wo_karu_housoku/

http://www.mangago.me/read-manga/kimi_no_yume_o_mite_iru/

and maybe this one shot
http://www.mangago.me/read-manga/crazy_people/

Lover in the past life;
http://www.mangago.me/read-manga/the_wilting_light/
http://www.mangago.me/read-manga/hosik_s_story/
http://www.mangago.me/read-manga/prince_bari/

Sharing(?) thoughts/something;
http://www.mangago.me/read-manga/voice_of_love/
http://www.mangago.me/read-manga/dear_signal/

Destined partners, omegaverse;
http://www.mangago.me/read-manga/sayonara_alpha/
http://www.mangago.me/read-manga/unmei_no_kisu_wa_oazuke/

Wow this one is really cute and well paced
Thanks for sharing