Wen Zimi, the eldest daughter of the Wen family who likes to fight monsters on her own to level up, meets the gentle Dr. Gu Liangyuan, and then she realizes that there is a person in the world. His appearance will make you feel that you can shed all your strength, and having someone you can rely on turns out to be such a warm thing. Every second you spend with him, the air is filled with the sweet smell of marshmallows.