A twisted love-hate story between a mother and daughter, drawn by the author of the comic version of the smash hit "Koizora"!! A family runs a popular video distribution channel with 500,000 subscribers. Their daughter Mika, a high school student, has been in poor health since she was a child, and the family is popular for coming together to fight against her illness. Ritsuko, in particular, is especially diligent in taking care of Mika, but in fact, there is a terrifying intention hidden behind all of this!!