Responses

hope these are fine
https://www.mangago.zone/read-manga/hikaru_ga_shinda_natsu/ (not sure if it's anxious attachment, I forgot. it's more of a psychological horror, it does have bl themes tho!)
https://www.mangago.zone/read-manga/murderer_llewellyn_s_enchanting_dinner_invitation/
https://www.mangago.zone/read-manga/a_shoulder_to_cry_on/ (pretty short, the ml is shown to be anxiously attached after they get together)
with an anxiously attached mc/ml? kinda like form of sympathy (yuri), lost in the cloud (cirrus) and love interest zone (yeowoon)?