If you haven't already read it, Super Lovers is good but not much smexy scenes.
I couldn't find that many but try these three:
http://www.mangago.me/read-manga/unmei_no_kisu_wa_oazuke/
http://www.mangago.me/read-manga/kashikomarimashita_destiny/
http://www.mangago.me/read-manga/kyouju_to_shitsuji_no_shizuka_na_seikatsu/
Has a host or host club.....or has a smexy Butler......and also if you know anything with awesome blowjobs or a smexy masterbation scene ⁄(⁄ ⁄·⁄ω⁄·⁄ ⁄)⁄ thank you