Tsubasa lives with three generations: her son, his wife, and his grandson. - He often surprises those around him with his playful personality. - Lately, I've been wearing make-up more and more when I go out, but my family doesn't seem to notice. - However, Tsubasa has a secret part-time job... - One day, my grandson Kazuki was alone at home. - Kazuki calls a delivery health service just for the heck of it. - When the intercom rang, my heart skipped a beat, and when I opened the front door, there was... Grandma Tsubasa!