Koume Hino has been though some things raising her two younger sisters. Just when she thinks she’s caught the bouquet at the older of the two’s wedding, she’s s**ked into another world, bouquet and all! When she wakes up, there a naked young man… a very young man, is he a newborn!? And to make matters worse, the two of them are all alone in a mysterious basin landscape overflowing with greenery and wildlife. With nothing else to do, Koume starts taking care of the baby, but the child, whom she nicknames The Prince on a whim, turns out to be an actual prince, protected by a certain group of men— A soothing, calm isekai fantasy that tells the tale of interactions between Koume, the baby, and his knights.