Responses
https://www.mangago.me/read-manga/ore_no_aoharu_wa_watasanai/
I read this a few years ago but I think it fits your request--although he's a little mean to the mc, too dkfasldfj;lsdj
Please someone share some preferably webtoon or manga is also fine, where the seme is or becomes real sweet to the uke like he can even give get the moon for him, but is cold or indifferent to other people. Like:
The Origin Of Species
Waterside Night
December
Salvation