Street Restaurant of a Returned HeroThe Returned Hero's Backstreet Café; The Alley Restaurant of the Returned Soldier; Ресторан «Аллея возвратившегося солдата»; 귀환용사의 골목식당; The Returning Warrior’s Alley Restaurant; กลับมาจากต่างโลกเพื่อเปิดร้านอาหาร

Kyungho returns to Earth after 10 years of saving the Spirit Realm from the Demonic Realm. However, the Earth that he returned to is being attacked by the demonic realm just like how the spirit realm was attacked. Will Kyungho, who dreamed of living a normal life with his mother by operating a restaurant, be able to protect Earth?