Natsuki Shinohara

Natsuki Shinohara (篠原 夏希 Shinohara Natsuki) is the tritagonist of Summer Wars. She is a spirited and popular 3rd year high school student (12th grade) and a close friend of Kenji Koiso whom she hires to meet her large extended family for Sakae Jinnouchi's (Natsuki's great-grandmother) 90th birthday.