Mukai Tomoki

Main character in this story.

In the past,he had an accident on his way to see Far fireworks and lost a friend he was with.

He entered junior high school with a feeling of loss due to it, and practically forced to join to Kotonoha Circle by Utano Shinonome.

He likes reading and astronomical observations.

He has a cautious personality to stop and think about everything, but he hate his personality that can't take a step with momentum.