综漫：开菊兽入侵，我变身赛文 (Associated Names)

In an accident, Sinan was transported to a strange world. I thought it was just an ordinary world of anime, but Sinan was admitted to Shuchiin with his own efforts, and he was about to make great plans. Unexpectedly, they were invaded by Kaiju from Pacific Rim. The login location was right next to his…