Following (=・ω・=)
I wanna reading something like that too..following
Maybe this, after the rape:
http://www.mangago.zone/read-manga/scarlet/
Hmm... Don't really think it will match your expectation... But the only ship comes out of my mind is Sihan and Karis from Royal Servant (sorry if it's not what you expected, eh
I asked smth similar before http://www.mangago.zone/home/mangatopic/1242406/
http://www.mangago.zone/read-manga/okurete_kita_renjou/mf/v01/c003/3/
http://www.mangago.zone/read-manga/terebi_kun_no_kimochi/mh/c005/2/ (ch.5,6,9)
http://www.mangago.zone/read-manga/anata_no_tame_nara_doko_made_mo/
http://www.mangago.zone/read-manga/kiss_made_ato_3_senchi/
http://www.mangago.zone/read-manga/abarenbo_honey/ (2nd couple)
koisuru boukun
http://www.mangago.zone/read-manga/mimitabu_no_riyuu/
http://www.mangago.zone/read-manga/ikusen_no_toki_o_koete/
http://www.mangago.zone/read-manga/lonely_soldier/
http://www.mangago.zone/read-manga/violence_na_kimi_ga_suki/
http://www.mangago.zone/read-manga/honenuki_ni_saretai/
http://www.mangago.zone/read-manga/inu_to_omawari_san/
http://www.mangago.zone/read-manga/moshi_koi_da_toshite_sayonara_itoshi_no_my_friend/
http://www.mangago.zone/read-manga/the_hinanomori/
Try out Mujihi series, Koitomo, Dakaretai otoko ichi odosarete imasu (definitely this suits your requirement), and wait, I only know these by the name, I will find more if I can
http://www.mangago.zone/read-manga/yandere_hitotsu_yane_no_shita/
http://www.mangago.zone/read-manga/go_houbi_chikubi/ -i dunno if this is ur definition of clingy but send is kinda persistent
http://www.mangago.zone/read-manga/aisaresugi_confusion/ 2nd couple
Yaois with clingy seme and more serious uke?