I hope you enjoy these
https://www.mangago.me/read-manga/yoshioka_san_is_in_a_bad_mood/
https://www.mangago.me/read-manga/ojiichan_shinanai/
https://www.mangago.me/read-manga/sukinako_ga_megane_wo_wasureta/
https://www.mangago.me/read-manga/the_time_my_friend_wanted_to_try_a_skirt/
https://www.mangago.me/read-manga/tamen_di_gushi/
https://www.mangago.me/read-manga/osananajimi_ga_mamasugite_tsurai/
https://www.mangago.me/read-manga/komi_san_wa_komyusho_desu/
a couple that is not dating but literally acts like a couple, lots of skinship and exclusivity ty