if we mean the same manga, they are students in a School for witches or mages and the seme is the best Student there while the uke is "clumsy" and not so brilliant.
the seme pretents do cast an love spell on the uke who belives it but at the end ist revealed that there never had been a spell.
i dont remember the name but perhaps it will help u find the manga
i think so thxლ(´ڡ`ლ)
ack now I wanna know
maybe this?
http://www.mangago.zone/read-manga/kindan_spell/
really close but not it sorry
ok so super cute supernatural yoai. i remember in one chapter the seme cast a fake spell on the uke and the Luke believes it. i know there is so little info but plz help me find it ╥﹏╥