Disclaimer: I don't know the character very well, and the description may be biased due to the abuse of the fans. Please point it out and I will slowly change the character. Just think of it as thank you!
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Yin Chuan traveled to the Gintama world and originally thought he would stay there for the rest of his life. However, when he was exposed to the sun, he rolled his eyes and seemed to have returned to the world before he traveled.
Yin Chuan has a new identity, has even shrunk several years, and has to go through the hard exam-oriented education again.
Yin Chuan: ... So desperate.
The key is...
He is still the Night Rabbit who eats too much, has extremely white skin, is extremely strong, and is afraid of the sun.
Yin Chuan was originally worried that the world would be peaceful and he might have to carefully cover it up, but he saw a metaphysical tennis ball that could destroy people's five senses.
Yin Chuan: ... Suddenly I no longer worry.
Yukimura: (＾＿＾)Is there anything strange? Classmate Yin Chuan.
Everything is strange! !
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□□, No logic.
Sippi Phuket Island.
There is ooc, there is ooc, there is ooc! !
Just for fun, nothing else.
You can always wait for the next update for a while, provided there are people watching.