His Personal Name was Griffin (グリフィン, Gurifin?).
On April 1st RY 367, he was assigned to the Spearhead Squadron in the First Ward. The Spearhead Squadron had their photos taken to update the Processors’ personnel files, holding a board with their internment numbers as if it were a mugshot. Shin requested the personnel officer for a group photo, and he posed together with Touma and Kino. The Spearhead Squadron gathered in the canteen and swore to never act like their oppressors, and they would fight to the end.
On April 5th, he and the Spearhead Squadron held a cherry blossom party to celebrate their formation squad. They watched the shooting stars together.
The Spearhead Squadron was ordered by their sadistic Handler to charge against the Legion on a open field at point 30 and 50. Shin had said he was annoying and a nuisance; he told everyone else not to Resonate with him during the next battle, so the only one connecting to Handler would be the Shin. Chise participated the battle where they lost Mina.
On May 12th RY 367, he was on cleaning duty with Haruto, Kino, Raiden, Tohzan and Touma. With the exception of Raiden, the others played hockey with cloths and broomstick. However Chise accidentally hit Raiden with the cloth and Raiden retaliated with violence. He and the Spearhead Squadron ate at the canteen. He laughed when Haruto impersonated their last Handler.
On May 22nd, he participated in the battle against the Legion where they lost Kujo. After the battle, he played cards with Kariya and Kuroto. He was present when Handler-One resonated with the Spearhead Squadron to greet them.
On June 15th, he participated in the battle against the Legion where they lost Kaie.
On June 16th, he, Daiya, Haruto, Kino, Raiden and Theo played basketball, and he caught a rebound from Theo. He later board game with Kino, Kurota and Tohzan. He watched Anju, Kurena and Lecca tackle Theo.
On July 27th, the Spearhead Squadron were sent on a mission and they passed the spot where they had the cherry blossom party, they reminisced the party. He participated in the battle against the Legion where they lost Daiya and Lecca.
On August 25th, the Spearhead Squadron received fireworks from Lena and held a gun salute for their fallen.
On August 27th was the last mission for Chise. Chise was killed in an artillery ambush alongside Touma, Kino, and Kuroto. His Griffin unit had failed to dodge in time, took a direct hit and was blown away. Fido wasn't able to find any parts from his M1A4 Juggernaut, Shin decided to use his model plane's wing as his grave marker. Chise was the twelfth casualty of the Spearhead Squadron.
The Spearhead Squadron unanimously agreed Raiden would be the vice captain of the Squadron.
The Spearhead Squadron unanimously agreed Shin would be the captain of the Squadron.