Hold over to you (ongoing) and Roses and champagne (completed)
I've read both
both obsessed:
https://www.mangago.zone/read-manga/heavy_boyfriend/
https://www.mangago.zone/read-manga/red_mansion/
https://www.mangago.zone/read-manga/osananajimi_irony/
https://www.mangago.zone/read-manga/please_pay_attention_to_me/
https://www.mangago.zone/read-manga/it_starts_with_stalking/ (top a bit more poss)
https://www.mangago.zone/read-manga/stalker_x_stalker_kadiro/
top obsessed:
https://www.mangago.zone/read-manga/december/
https://www.mangago.zone/read-manga/the_edge_of_ambiguity/
https://www.mangago.zone/read-manga/spicy_milk_candy/
https://www.mangago.zone/read-manga/cozy_obsession/
https://www.mangago.zone/read-manga/why_are_you_so_kind_to_everyone_except_me/
https://www.mangago.zone/read-manga/shadow_crown/
https://www.mangago.zone/read-manga/dreadful_night/
https://www.mangago.zone/read-manga/ordinary_person_a/
https://www.mangago.zone/read-manga/moonlight_kie/
Obsessed top yaoi reccs thx. Extra credit if they are both obsessed w each other