After getting married, Kaori, a married woman who has qualified as a helper, is sent to a single-father household where her father has dementia. One day, while her father is taking a bath, he gets an erection... "Sexual relief is also part of caring," Kaori says, and is forced to give him a blowjob to release his frustration. However, since then, her father has been clinging to her, so she accidentally injures him while trying to pull him away. When her employer finds out about her injury, he gets angry and suddenly pushes her down, saying, "If sexual relief is part of caring, then isn't it also your job to take care of the family's Kokoro health?"...