Seitenshi Crossnia Heart (RJ01320589)

A frail looking 2nd grade boy, Katano Batsu.
He has chestnut hair and looks cute, but while leaving school depressed about something, he is involved in a traffic accident.

When he wakes up, he finds himself restrained in a sort of laboratory, unable to move, and feeling a strange sensation in his chest.

I woke up,” he says. Let’s get you out of these restraints.

A small girl in a white lab coat calls out to him and removes the restraints.
She told me that she had been conducting research for a certain organization, but that the organization had betrayed her, and that she had been drinking a failed product that they had been using for experiments.
She was on the verge of being killed when she was given a failed drug that was used in an experiment.

However, under the influence of the drug, she became a schoolgirl-like figure and is now hiding out and waiting for the right moment.

While we were talking about this, a girl in a white coat in the room noticed a certain commotion on the Internet and in videos.
The organization was the rumored criminal organization “Despacoia,” which was expanding its activities.

Since she used the power she was supposed to use to fight against Despacoia to save Batsu’s life
Batsu is forced to fight with that power. What will be its fate? ……