Omega Complex comes to mind.
Terano-kun to Kumazaki-kun
Not really unpopular recommendations but cute nonetheless.
maybe you'll find something in this https://www.mangago.me/people/tag/1284539/seme+only+sees+uke/
I wouldn’t say unpopular but I love My Perverted Stalker, the seme is such a fanboy for his uke (if the title didn’t give it away.) Stick out the first like 25 or so chapters (it’s a bit dubious) and I promise you’ll be in love with it.
make me bark (its so good), Hosik's story, and also my way with you.
thank youuuuuu
does anyone know any unpopular yaois where the seme is totally heart eyes in love with the uke (づ￣ ³￣)づ…like he would try to kiss or hug every time they meet