Can you recommend a manga any genre which show intense love or obsession. Thank you

Drugless sex or was it dragless sex? Last couple was obsessed AF but it was sick-hot so...yeah ლ(´ڡ`ლ)

Thank you, I will read it.

http://www.mangago.me/read-manga/dear_crazy_monster/
http://www.mangago.me/read-manga/uruwashiki_shuen/
http://www.mangago.me/read-manga/kyuuso_ha_cheese_no_yume_omiru/
http://www.mangago.me/read-manga/sojou_no_koi_wa_nido_haneru/
http://www.mangago.me/read-manga/hogu_hagyeongsu/?av=2
http://www.mangago.me/read-manga/goodbye_harlequin/
http://www.mangago.me/read-manga/yandere_hitotsu_yane_no_shita/
http://www.mangago.me/read-manga/deichuu_no_hasu/
http://www.mangago.me/read-manga/an_uncomfortable_truth/
here’s the obsession tag
http://www.mangago.me/tag/Obsession%20/?page=1

http://www.mangago.me/read-manga/escape_into_oblivion/