Wakagibo: Mushaburi kuu

Original title: 若義母 むしゃぶり喰う

After her company went bankrupt due to the recession, her husband Haruki was bedridden. His young wife, Kiyomi, who was a decade younger than him, devotedly cared for him, sometimes using her own youthful body. However, Kana, the wife of their eldest son who lived with them, assumed that Kiyomi had married him only for his inheritance and treated her harshly. Kana had been plotting to bring Kiyomi down, and as a result, Kiyomi and the second son, Shiro, were captured by a masked man, and Kiyomi was raped in front of Haruki. But was that all part of her plan?!