Kaifuku Jutsushi no Omotenashi

Keyaru, after being mistreated for years, sought revenge against the heroes who wronged him by traveling back in time. However, he arrived in a world where the heroes were kind. He lost his memories and desire for vengeance and began a new life. Alongside his childhood friend Anna, he opened a coffee shop. Humans and demons had reconciled, so he was never recruited as a hero. The shop became popular for its tasty food, attracting many visitors.