When Mako was 18 years old, she became pregnant with a child with her boyfriend at the time. - However, she could no longer contact her boyfriend and disappeared. - Mako decided to become a single mother and gave birth to Kyota. - Kyota is interested in art, and after graduating from ●school, he became an apprentice to a potter and is currently living there as an apprentice. - At that time, Kyota, who was 20 years old, was asked by his master to return the favor to his mother, so Kyota took the day off, returned home, and invited Mako on a trip to a hot spring.