OPM/Dangan Tenshi crossover

Bullet Angel Fan Club is a One-Shot manga written by ONE and illustrated by Yūsuke Murata

Summary
Himiko Natsuno, who is the best magical girl because her magical girl power is cyborg super limbs, and her fanclub made up of the most pathetic nerd guys from her class.

Characters in order of appearance

 * 1) Himiko Natsuno
 * 2) Saitama