Zenko

Zenko (ゼンコ, Zenko) is Metal Bat's little sister who appears in the 87th chapter.

Appearance
Zenko takes on the appearance of a young child with similar facial features to her older brother. She wears a light colored cardigan and frock. She wears black flats and white high socks with frills. She keeps her hair around chin-length and wears a flower clip.

Personality
Zenko is just as hard-headed as her brother, but doesn't like violence. She is caring of her brother. In addition, she is quite fearless as she was willing to go into an evacuated city during a monster crisis and was unafraid of Garou

Alien Conquerors Arc
Zenko has a piano recital during the alien invasion

She later calls Metal Bat, when he is arguing with Sweet Mask.

Centipede Arc
She calls her brother to ask for help to carry her shopping bags, but Metal Bat declines because he is too busy. This causes her to cry and hang up. After Garou knocks Metal Bat on the floor she shouts, "Big Brother!".

Physical Abilities
Immense Speed & Reflexes: Zenko is surprisingly fast, she was able to come between Garou and Metal Bat before they were able to clash again.