Recommendations for stories where the seme is significantly younger than the uke?

Sayonara Alpha

The Good Teacher

Thank youuu ^^ ! I've read The Good Teacher but I'll check out Sayonara Alpha! Still hoping to find more stories with the same trope ^^

http://www.mangago.zone/read-manga/mujaki_na_wanko_to_nekokaburi/
http://www.mangago.zone/read-manga/boku_no_omawarisan/

Yeeey more recommendations!! Thank you for being so nice ^^