Sena-kun ni Tenazu Keraretemasu

From Chibi Manga:
Asa, who became a member of the school festival committee with Sena, a popular class member. It’s a little bit crazy, and you’ll be swayed by Sena-kun, who has a close feeling! However, what is the best way to casually help when in trouble? If I don’t have Sena-kun, I’ll be useless!?