Yuki's mother, Chisato, is a single mother who divorced 15 years ago. Chisato worked for Gamshala to raise Yuki well, graduated from college and grew up to be a good member of society. Yuki presented Senri with a hot spring trip for the first time. Chisato was really happy that Yuki invited her to travel, but she seemed to have finished her role as a mother and was a little lonely ...
