[Conan] My Brother Is Masked Superman

Throw a setting: The heroine is in the first grade of elementary school (temporary permanent buff). She has the same mind and body as the first grade. She may have a lot of fun with the young detective team. The heroine's brother——Jiu, who appears to be a righteous hero (eyes closed) However, he will always look like a righteous hero in front of the heroine I didn't think much about the copywriting, hahahaha, but my brain is very good. Intention: Family love, good and good