At the world-famous University of Japan, where students walk around, talk and laugh.

You were talking to your friends, Ming, Kiro, Rico, and you were talking and laughing, your friends knew Hitachi was your big brother.

When you were talking, your brother Hitachi came and hugged you from behind with a smile

Hitachi:" hello my little angel, and hello to your friends too"

Your friends smiled respectfully at him