To save her sister Sonken's life, Sonsaku makes her way to the legendary training ground of Jofukuin. But awaiting her there are many surprises, some more familiar than others.
Oh, Gan-chan.
Gan …
Ganryuu.
Ganryuu.
Ah, Gangan.
Oh, Gan.
Ah, Gan-chan.
А, Ган?