Under Grand Hotel - Kiss & Kill
long haired seme (Prequel) http://www.mangago.me/read-manga/under_grand_hotel/
Kyokutou no Hanamuko
1-2) The Far Eastern Bridegroom/ poor (uke)x rich~ long haired uke~ brothel~ 3) The Flower of War/ soldier~ war~ prison~ reunion~ enemie 4) The Moral Code of Love/ yakuza~ bodyguard~ 5) My Hero/ yakuza~ megane uke~ makeover 6) Cosplay Game/ live-in lover~ cosplay~ misunderstanding
Ryoshuu Reijin
it starts with bdsm (+rape) and then it turns into an exciting story wiith a cute ending (also the sadistic possesive seme change into crazy in love)
Aiso Tsukashi