Winter is coming, spring is awakening

Koharu (Sei Shiraishi) and Akiho (Natsuki Deguchi) finally infiltrated the warehouse of an antique shop run by a mysterious store manager (Gaku Hamada). Inside, it was as wide as a spaceship, and it was a strange space where the players who died in "Girl Gun Fight" were lined up like stuffed animals. A light bullet was fired from behind Koharu and Akiho, who were angry, and Matsuko (Anna Ishii) was there. And Alice (Yuno Ohara) makes a certain decision ... Also, in the real world, the existence of Natsuna (Momoka Ito) was erased, and a sad reality awaited. Koharu goes to see the store manager with Akiho to check the warehouse, but the store's warehouse is just a storeroom, and the mystery only deepens. On the other hand, in the parallel world, a new player will be added to Alpha Tango in place of Natsuna- !?