They stay body swapped from 89 to A masculine girl gets infected by an alien drug and transforms into a boy. He switches back a moment later. English Dub. Keroro Gunso — MAL.
Transformations last until episode
However, when she transforms with the power of love, she ends up as a muscular man instead of a cute magical girl. Also appears again at ep. In order to sneak into the girls bath, the MC gains a device that allows him to transform into a girl.
Transformations are common throughout the whole series.