Isekai-gaeri no Yuusha ga Gendai Saikyou!

A man who defeated a Demon Lord in another world returns to Japan and conceals his abilities. Despite his efforts to live a quiet life, he finds that supernatural beings and individuals with powers are active in the modern world. As battles between them take place secretly, his past as a hero resurfaces.

Traduzione in corso — testo originale in inglese.