A yakuza enforcer built for violence gets reassigned to raise a kid, and the show knows exactly what's funny about watching a man with no softness learn it anyway. Kirishima doesn't become a father figure through some magical character arc; he's just a brutal adult forced to sit on the floor and play with toys, and his complete bewilderment at each new domestic problem is the entire joke. The comedy works because it never pretends the situation is anything other than absurd, and by the time you realize you're watching a story about a man actually becoming the thing he never knew he wanted to be, the show has already won.

Kirishima Tooru is the right-hand man of the Sakuragi crime family, known throughout the underworld as the Demon of Sakuragi for his readiness to settle things with violence. After he nearly wrecks a peace treaty, his boss hands him an unusual job: looking after Yaeka, the boss's seven-year-old only daughter, so he can learn what it means to be responsible for someone else. At first the two struggle to connect. Kirishima has no idea how to talk to a child, and Yaeka is not used to showing her feelings. Over time they come to understand one another. The result is a warm slice-of-life comedy about a feared gangster and the girl in his care, and about family that is not defined by blood.