Dragon Girl, Vol. 1 — Toru Fujieda

Fiesty, fierce Rinna Aizen is a girl with a dream - to follow in her
father's footsteps as the legendary captain of Shoryu Senior High's
cheering squad. Only problem? Shoryu High is an elite all-boys' school!
Or it was...until now! With the school going co-ed, Rinna might be one
step closer to achieving her dream, but the road to a successful
cheering squad is still full of hurdles...can Rinna clear them all?!