The Fanartist and the Cosplayer

Tsumugi Shirogane sequestered herself away in an abandoned, forgotten study room to work on her cosplay in peace. As luck would have it, though, someone else walks by anyway. Hifumi Yamada. Tsumugi couldn't help but think, "If this were a different anime franchise, I would question whether or not the Holy Grail was at work!"