Chika is waiting for her only daughter, Yoko, to bring her boyfriend home for the first time today. And Chika was relieved to see the sincere personality of Yoko's boyfriend, Atsushi, who she met for the first time. "I'm sorry I'm not used to the homely atmosphere because I don't have a mother ..." Chika was listening to Atsushi's story, but I didn't know at that time. Atsushi is beginning to feel more than a "lover's mother" towards Chika ...
