Fuufu ga Ryou Omoi ni Naru Houhou

Tokita Ima, 42 years old. She has been married to her husband for 15 years. They became a couple because they loved each other, but now they barely talk to each other. "Our relationship as a couple has cooled, but we're doing well as a family," she thought, but then her husband was involved in an accident and lost his memory...

(Source: Bungeishunju, translated)