The month is February, but it hasnât snowed all winter. Kanonâs father is often away on business trips and might be getting a little too friendly with his pretty young female subordinate; which Kanon doesnât approve of so soon after her motherâs death. Her little brother collects insects, but theyâre dying off.
It turns out that these deaths are the first of many a plague to come down. First itâs the insects, inexplicably dropping dead everywhere. Then itâs the rats, looking for a new food source. And things just keep getting worseâ¦