I am a hero and the demon king is also me (1-4 volumes)

Publisher: KADOKAWA/Media Factory
Author: Tatsuya Nikodo, Aki Ota
Size: 128mm x 182mm
Number of books: 4
Language: Japanese
Category: Youth manga, manga
Latest release date: 2021-06-23

Synopsis:
An ordinary high school student, Yumasa Tsukari. One day, visitors suddenly appeared from a different world in front of a boy who spent peaceful days as a son of a lower town. What will happen to Yushima on the fierce assist of beautiful girls!?