Misaki Yamazaki passes away from an illness, only to awaken and discover that she has been reincarnated into the world of a manga she read in her previous life. To make matters worse, she has become the vicious stepmother who abuses the story’s protagonist during his childhood.

She regains the memories of her past life just one day before her wedding, leaving her with no way to escape her fate. Determined to do everything she can to avoid abusing her stepson, she finally meets him, only to discover that he is unbelievably adorable!

As she throws herself into raising him, making full use of the knowledge from her previous life, even her extremely cold husband begins to change his attitude toward her. And when it comes to her stepson, she is even willing to become overpowered!

Thus begins a one of a kind parenting fantasy where love and otaku knowledge come together to transform childcare in another world.