Hayakawa Fuji awakened the yin-yang eye skill when he was 5 years old, and he also awakened the magic pen skill at an unknown time, and he could write whatever he wanted. For this, a certain unlucky monster paid a heavy price. In order to break the contract he made unintentionally, Hayakawa Fuji began to experiment with the magic pen skill. Unexpectedly, this skill was good and bad. In desperation, Hayakawa Fuji could only clean up his own mess while studying hard. Hayakawa Fuji told us with bloody lessons, sooner or later, you will have to pay back when you go out to mess around.