In the heart of a winter storm, Usaki Inaba's Koiyasumi visual novel unfolds. A brother and sister, bound by blood and blizzard, find themselves in a precarious situation. Their bodies pressed together for warmth, the sister's skin glistens with melting snow, igniting an unintended passion. As they grapple with their forbidden desires, the room fills with steam, their breaths visible in the chilled air, and their hearts pounding with taboo lust.