Moreover, in some bars, you can see the pictures you picked from the ending song. Abis played with his childhood entertainment, and Milk drew a cat's face in the entertainment of sleeping. This passage is also well known by the Free Milk Tour Party. Producers don't make such remarks for no reason, so they are not enemies, and they have probably known each other since childhood. Teacher-student relationship or friend relationship.

Jimsar learned music from my melody, and maybe so did entertainment.

My personal guess is that the Crown Prince of Magic Fairy Castle was taught by a volunteer senior in the field of music and magic.