The meeting of Chemistry-tan (episode 7)

''Hello, Chemistry-tan, do you remember me? I'm Physics-tan, your daughter! Those are my subject friends, and this is the user. Welcome to the Subject-tan character club!''

​​​​​​​Chemistry-tan, guardian of Physics-tan, is here to welcome the subjects in the club. She did not know whose names are the subjects, they are thankful to welcome her!

It is the seventh episode of Trouble Math (series).