The biggest regret in life is that a person cannot have both youth and the feeling of youth.

Haruki is an exception.

Because he traveled through time.

He traveled to the world of anime and became a high school student.

And he can change the status bar of the character!

Kushida Kikyo: Master~ Please give me your orders!

Yukinoshita Yukino: I will serve you well!

Kasumigaoka Utaha: This is the latest script, if you are satisfied, you can...