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What is it like to be a teacher in the world of famous detectives? ... "Teacher Han, after removing one corner of the triangle, don't there remain two corners?" "Teacher Han, Teacher Han, do you think the floral skirt I'm wearing today looks good?" "Teacher Han, do you have any clues about this case?" "Hey, are primary school students in this world normal?" ...

Fighting in the arena. Competing for fame, profit, and luck. A young escort just stumbled into the world. Looking back again, I am invincible.

I have a needle that can remove misfortunes in the world, heal people, ghosts, and gods! I have a sword that can shake off all the injustice in the world and kill people, ghosts, and gods!