Dimensional Invasion

An extremely ordinary time traveler has obtained a dimensional space. The space information tells him that he needs to do a big event to unlock the dimensional characters, so he will play the human world in this parallel world. ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.