C284 Favorite Marriage of Wealthy Families 217

"This big brother, big sister, I promise I will never do anything bad again." If the two of you don't believe me, why don't you just take your little brother away. Don't look at me because I'm thin. I have a lot of energy, I can do anything, and I'm smart enough. I can do some menial chores for you guys, but I think my brother's words are very reasonable, and I believe him