Synopsis
Yuusuke is an office worker with a dislike for people, preferring to do his job alone and in silence. When the company he works for suddenly goes bankrupt, he loses his job, and with that, all his motivation disappears, and he becomes a complete shut-in. On one of the rare days he decides to leave his apartment after a week-long video game binge, a mysterious man attacks him and bites his arm. Though Yuusuke manages to escape back to his room, he comes down with a fever and becomes bedridden for...