Originally he was just a otaku who knew nothing, but after traveling through time, wasn't he destined to die? But it's quite nice to be a prime minister's daughter in time travel. You can eat all kinds of delicious food without any hindrance. You can also tease the little piano player, but occasionally you have to use your brain to find handsome guys. But she was not the only one who traveled through time.
Intention: People grow step by step.