The Mysterious Assailant
Lexia is determined to make the most of Yuuya's visit to the capital in spite of everything that's happened. When Luna and Lexia take Yuuya out of the castle to show him around town, the signboard of a certain guild catches his eye.
Aired 20/06/2023EP 12 - The Mysterious Assailant

2023
I Got a Cheat Skill in Another World and Became Unrivaled in The Real World, Too
All his life, Yuuya has been bullied at school and neglected by his parents. After moving into his late grandfather’s home, he discovers a strange door that seems to be calling out to him. Yuuya opens the door, steps inside, and is suddenly transported to a magical world! This new world holds rare treasures and grants him powerful skills, which he takes back to Earth for a new lease on life.
(Source: Crunchyroll)