Offbeat sci-fi anime. A Vespa-riding woman arrives in town, wielding an unusual guitar. Not long after, robots start exploding out of high-schoolers' heads. Suburban life will never be the same again.

Sequel series set several years after the original anime. Hidomi sleepwalks through her humdrum life. Then an oddball teacher arrives in town and dumps an intergalactic war right on her doorstep.