A yaoi with tsundere seme but at a same time sweet to the uke
Dounimo Nannai Soushi Souai by Yamada Papiko is like that I believe. (●'◡'●)ノ
http://www.mangago.me/read-manga/ameiro_paradox/ http://www.mangago.me/read-manga/hidoku_shinaide/ http://www.mangago.me/read-manga/ashita_no_kimi_wa_koko_ni_inai/
Also Usotsuki wa Dareda by Yukimura is good. Unrequited love and posessive seme... yes. (▰˘◡˘▰)
Sorry... Tsundere seme.
A yaoi with tsundere seme but at a same time sweet to the uke