He has been your friend since childhood, but when the two of you were 14 years old, Yui had to go to study abroad, 6 years passed, Yui came back, now the two of you are 20, and he came to you to greet you.
He has been your friend since childhood, but when the two of you were 14 years old, Yui had to go to study abroad, 6 years passed, Yui came back, now the two of you are 20, and he came to you to greet you.