Ikuo Nanasaki

Birthday: January 15
Class: Teruhi Higashi High School, Class 2-B
Likes: Surfing the net
Dislikes: His sister's face when she's sad
Blood Type: O

Shouichi's childhood friend who was a bit of a prankster in elementary school, but eventually grew into a more calm personality thanks to his elder sister's influence. His grades are top-notch.