Urusei Yatsura S01 E69 Those Buy-Eaters Gather Round!

"Grab her horns and she might just become your darling!"

Lum, Ataru, Shinobu and the rest of the Tomobiki student body - except for Mendo and his small gang of "good kids" - fight a new school rule which forbids students to leave the campus to eat lunch at fast-food joints.