A muscular girl is presented to the passionate world of crossover anime.

I time-traveled, transformed, and went to study in an island nation.
No monsters, no superpowers, a world with low-powered weapons is so peaceful... Are you sure?
The spring breeze of sports sweeps across the land; the people of this other world are working so hard!
I heard that a first-year student from Shohoku High School is full of ambition to lead the basketball team to the national championships.
I heard that the perennial bottom-ranked Dead Gates football team has signed a player named Lightspeed Mask 21 from Notre Dame High School.
I heard that during a soccer match at Nankatsu Elementary School, a powerful shot pierced through the net.
I've heard that Seishun Academy's tennis club is full of talented players, and this year they even added a super rookie.
I heard that Tsurumine Academy has a great piece of land that will be used as the prize for the judo tournament champion.
I've heard that the biker gangs in southern Hunan are incredibly reckless when they speed.
I've heard that the delinquents at Suzuran High School are living in what's known as the Warring States period.
I heard... I heard... I heard...
"Everyone is working so hard!" Looking at her small frame, Hana decided to exercise more to improve her physical fitness!
After training at Mr. Shirogane's gym for a month, how did I end up being confirmed for a Kengan debut?