Losing my job and feeling desperate, I suddenly returned home. As a student, I went back to my hometown, where I had abandoned myself, because I had some regrets. And when I couldn't get in touch with my parents and was also feeling lost for not being able to stay, I unexpectedly ran into my childhood friend, Chaoyang, in the park. The person who vowed to make their child happy was no longer 'Mr. Mizuno.' Explaining the situation of having no place to stay while feeling happy and lonely during our reunion after a long time, I was asked to stay for just three days...