C2214 The Little Sister Is Coming to See Him

What adults do, kids don't know at all.

They go to school every day as usual, go out of school every day, and spend every day learning and having fun.

Mu received a bag full of snacks every day. He could not catch the person who stuffed the snacks into his bag.

It made him suspect that the whole class was watching his every move. As soon as he left the classroom