Find "Gap" from the many Chinese characters and tap it.
A training mode that raises the level when you find a chance,
There is a samurai training mode to fight against a number of samurai.
In the warrior training mode, there is a weak point, and when a "gap" is displayed at the weak point, tap it to erase the gap. If the "gap" displayed at the weak point disappears after a certain period of time, it will be damaged.

Hyakunin Isshu: Whac-A-Mole