Sibling comedy this honest doesn't exist anymore. Shi Miao and Shi Fen hate each other in the way only people who depend on each other actually do, and the show never once tries to make that cute or performative. The humor lands because it's built on the specific texture of their dynamic, not on punchlines stretched across five minutes of animation that doesn't move. You recognize your own sibling in one of them, and that recognition is the whole joke.
Shi Miao shares a school and a home with her older brother Shi Fen, a walking disaster of a human being. He's lazy, impulsive, and has a talent for screwing up literally everything he touches. She's stuck with him anyway, since they only have each other to rely on. The result is constant friction: Shi Miao's quick to violence when frustrated, and Shi Fen's somehow even better at finding new ways to test her patience. What makes their dynamic work is the unspoken truth underneath all the yelling and hitting. When it actually matters, Shi Fen genuinely cares about his sister's wellbeing, even if he expresses it through the world's most annoying methods. Shi Miao knows this too, which means she can't actually get rid of him, no matter how much she fantasizes about it. This is comedy built on the messy reality of family: people who drive you absolutely insane, yet remain impossible to live without. It's short bursts of chaos, sibling warfare, and the quiet affection that survives constant bickering.