Tomo-chan is a Girl! manga omnibus volume 2 contains volumes 4-6 and features story and art by Fumita Yanagida.

Tomo is torn. On one hand, she wants her best friend and crush, Jun, to see her as a girl. But on the other hand, she really wants to kick his butt in the school sport's tournament! When summer vacation comes around, Tomo and Jun decide to go see the fireworks together. Can Tomo use this romantic evening to let Jun know how she feels about him?

Meanwhile, Misaki, the captain of Tomo's karate club, is trying to be more manly. He decides the best way to man up is to join Tomo's father's dojo! But can sweet-natured Misaki survive such an intense training regimen?!