manga

Looks like Nee, Sensei
http://www.mangago.zone/read-manga/nee_sensei/

Arigatou-Gozaimas~!

thinks it's one of the side story in the Katekyo! series

I think Nee, Sensei is not correct but I appreciate you help~! THANKS again~
hmmmm, I forgot all of the side sotry of Katekyo so I;m not also sure but Thanks Also~!

Its the first side story of katekyo. The one after kaede ! Intarou chapter intro. I think its right after they meet kaedes cousin

http://www.mangago.zone/read-manga/katekyo/mw/c006/pg-3/ there

THANK U SO MUCH GUYS~!