Yaoi... :)

finder,Takaramono wa,miwaku shikake(100% tsundere),Katappashi Kara Zenbu Koi,110-ban Wa Uketsukemasen!(ultimate tsundere lol) but i recommend ameiro paradox and blue sky complex...both stories are just masterpieces and i ensure you that the seme are tsundere!!

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

I have already read Finder and Ameiro Paradox (masterpiece indeed) and I was gonna start reading Blue Sky Complex soon... Thank you so much for the recommendations! <3 (●'◡'●)ﾉ

Thanks! :D