Okami-san and her seven companions [TV]

A romance comedy parodying fairy tales such as Little Red Riding Hood, The Ant and the Grasshopper etc. Ry?ko ?kami (the eponymous ?kami-san) is a tomboyish high school girl. She is a member of a “trading” club so called Otogi High School Bank. She and the other members of the club (such as her partner Akai Ringo aka Little Red Riding Hood) fixes student’s (or “client”) problems, at any lengths, in exchange for the student helping them out later.

Similar in these categories.

The Melancholy of Haruhi Suzumiya

Ouran High School Host Club

One Piece

Chobits

Clannad

Vampire Knight

Toradora!

Sword Art Online