Dokuro-chan operates on a logic that makes no sense until you stop expecting it to. She's sent to prevent a crime that hasn't happened yet by moving into his apartment and destroying him repeatedly with a spiked bat, then healing him with a chant. The show commits absolutely to this premise without irony or explanation, which means every escalation lands harder than it has any right to.
Sakura is a normal junior high student with an abnormal problem: according to heaven's records, he'll one day create a technology that stops women from aging at twelve. God's not happy about it. Enter Dokuro, a deranged angel sent from the future with a single mission: prevent the invention by keeping Sakura constantly occupied and miserable. The catch? Dokuro's methods are violent. Really violent. She'll bash him repeatedly with her spiked bat, Excalibolg, over the smallest infractions. Thankfully, she can resurrect him just as easily, which means Sakura endures an endless cycle of brutal punishment followed by miraculous recovery. What unfolds is pure absurdist comedy. Dokuro's unhinged energy clashes spectacularly with Sakura's desperate attempts to just live a normal life. She's genuinely convinced her sadistic approach is helping. He's convinced she's insane, which she probably is. The humor comes from watching their twisted dynamic play out across increasingly ridiculous scenarios, all backed by Dokuro's unsettling cheerfulness and that iconic catchphrase that'll lodge itself in your brain forever.