Come from Marvel and Be My Little Brother.

A modern rich kid traveled to the Marvel Universe during World War II. After gaining a certain reputation on his own, a system suddenly appeared. From then on, Fox began to take in his little brother. Captain America: "Brother, come on! You are the strongest!" "You all come to be my little brother, I am the protagonist of the Marvel Universe! I allow you to take advantage of me!" Iron Man: "Brother, I can give you all my money!" Black Panther: "I'm richer! Long live big brother!" Purple Sweet Potato: "Fox, I'm afraid of you. I no longer want to be the director of the Family Planning Office. I want to be your little brother!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.