Despite having a part-time job and attending cram school, Kagura has earned a reputation for being an expert slacker. Nonetheless, his humdrum existence is upended when a young girl suddenly shows up at his doorstep and begins calling him "Daddy". But the situation quickly becomes more convoluted as Kanna is far from your typical child. She cannot communicate in his language, hails from an alternate dimension, and is on the run from her nefarious pursuers. Looking after her proves to be an unprecedented challenge for Kagura.
