Umeno always puts others before herself, and has zero experience when it comes to relationships. One day, when she's tending her grandma's Japanese sweets store, Keito, childhood friend Keito suddenly turns up after disappearing years ago! The once cute young boy is now a handsome young man. His innocent request for Umeno to pat his head as a reward for helping out with the store soon escalates, and he pounces, no longer able to hold himself back. Where did Keito's friendly demeanor go!? The forceful, testosterone-driven man showers her with his wholehearted love.