Hikari is worried about her neighbor Ozawa, who lost his wife in an accident and is still grieving. - By chance, at her husband's recommendation, she ends up learning how to cook from a cooking instructor... - Hikari is drawn to Ozawa's always lonely appearance and accepts him. - Her body continues to seek pleasure over and over again from the scaldingly hot sexual intercourse she has never experienced with her husband. - Despite feeling guilty, the two cannot resist their love and drown in each other...