Tsubasa lives with her son's family and grandson in a three-generation household. She often surprises those around her with her cheerful personality. Recently, she's been going out wearing makeup more often, but her family doesn't even notice. However, Tsubasa has a secret part-time job... One day, her grandson, Kazuki, is alone at home. Kazuki calls a delivery health service, thinking this is his chance. The doorbell rings, and when he opens the door with his heart pounding, there was... Grandma Tsubasa!
