Ippei is a guy named Koshio, who got married to Areyoareyo when he was a janitor at his wife's company. Ippei's wife is a free-spirited woman who travels the world with only one intuition, and even after she got married, she hardly ever returned to her house. Ichika was a stepchild of such a wife. She also resembles her mother, free-spirited and carefree. Her hobby is posting selfie images on SNS. One day, Ippei is asked to help with the photo shoot. Triggered by that, the two of them have a naughty relationship.
