MTL - The Rest, Only Noise - Chapter 6 Athens, USA? probably

He crossed over to a new world where humans have magical power. They are called warriors. They use their power to kill the monsters that appear out of nowhere. Dragons, Dungeons, and Magic users are pretty common in this world. If you want to live in peace, you need to have that power. You can also become a powerful clearing dungeon.

In this dangerous world, he has a system that can help him grow stronger. But he didn't want to be a high-profile warrior who attracts much powerhouse attention or become a lab rat. He wants to be Low-profile and grow strong using his system.

“You don’t want to learn math and you don’t want to learn English, so what do you want to learn?”

“Do you teach anything I want to learn?”

“Crap, otherwise why would I come to teach you as a home tutor.”

“I want to learn how to kiss.”

“……”

I originally thought that when I was going to tutor i was going to meet a little puppy, I didn’t expect it to be a little wolf dog.

Later, Yu Wan looked at Han Ye seriously: “Sorry, I have never considered finding a boyfriend younger than me.”

“Even if he’s an hour younger than you? ”

“A minute younger!”

Han Ye also thought about it, and the handsome boy approached her with a smirk. “Then you should start thinking about it now…”

- Description from Novelupdates

“Kat, you have a tail” said Lily

“Look, Lily, it really isn’t that big of a concern” said Kat

“You.Have.A.TAIL KAT” said Lily “How is this not a concern to you?”

“Well, the dream I had was a bit weird as well, but if I’m honest, I’m mainly worried about the floating text that’s on fire” said Kat

“THE What?” said Lily

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Join Kat on her dimension hopping adventures as she fullfills her demonic duty and answers the call of the summoner. Each week Kat will get involved with new strange situations and oppurtunites that await her. During the week she'll have her best friend Lily, and perhaps a little help from Sylvie to figure out what's she supposed to do with her life now that she's becoming a demon.

Riku Barusak is a hard-working child. Despite possessing an innate superior physical strength and having withstood harsh training she fails to unlock her talent as a spiritualist. The failure results in her being thrown away by her family.