Time travel is a very common thing,
It's women who travel through time, well, that's common
The person who traveled through time was a woman with excellent motor skills. Well, that's common.
After time travel, I don't understand Japanese and I have to be taught by the prince. Well, it's common.
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But what came through was a female killer who lived in the mortal world thousands of years ago and avenged the Gang family.
This is not common anymore. . . . .