Hi

http://www.mangago.me/read-manga/red_candy/
http://www.mangago.me/read-manga/incorrigible/ (Never Understand Spinoff can be read as a stand-alone)

dunno how you define "strong" but here are sum that i know:
http://www.mangago.me/read-manga/iiko_no_furi_wa_mou_yameru/
http://www.mangago.me/read-manga/shizuku_hanabira_ringo_no_kaori/ (persistent uke)
http://www.mangago.me/read-manga/puchitto_hajiketa/
http://www.mangago.me/read-manga/rumspringa_no_joukei/
http://www.mangago.me/read-manga/jackass_sawatte_ii_tte_dare_ga_itta_yo/

Thank you so much let me dig in

Oh I've read it. I really enjoyed it. Thank you