Responses
https://www.mangago.zone/read-manga/placebo_memories/
And
Since middle school but close enough:
https://www.mangago.zone/read-manga/red_string_quests/
https://www.mangago.zone/read-manga/a_link_between_relationships/ is definitely Why are you so kind to everyone but me's older sister!!
tysm!
bls like "summer season" and "you're so kind to everyone but me" where the seme has been OBSESSED like borderline crazy over the uke since childhood and the uke thinks seme doesn't see him in that way