Fukaya Sakurako is married to the owner of ‘Fukaya’, a long-established miso shop in Nagoya City. She lives comfortably with her husband Kazuhisa and their daughter Yuko, a university student. Sakurako is content with Kazuhisa, a family man whose redeeming feature is his kindness. Her worry is Yuko who pays no attention to school work because she has been chasing after Shugo, a popular singer-songwriter in Nagoya. One day, Sakurako sees Shugo’s post on social media and an exchange with a young man who is not even her own child begins over smartphone. This is in contrast to her ordinary daily routine and all very exciting for Sakurako. She naturally does not tell her daughter about it. Having aspired to become a songwriter when she was young, Sakurako starts to give Shugo advice on the lyrics for his new song. Then one day, Shugo proposes that they work together in Tokyo but… Is this love? Will Sakurako choose her family or him?
Shiratori Sakuto is 28, but has the intelligence of a 6-year-old boy. Mochizuki Haruka works for a brain physiology research center. Sakuto is transformed into a genius through surgery, but Algernon’s new intelligence begins to fade.
Ai ends up in a correction facility. There she finds new friends and falls in love with a warden.
Yeojin and Girim were best friends in high school, dreaming of becoming successful writers. However, cracks in their friendship began to appear with the arrival of Baek Jonghak. Years later, Girim run into Yeojin and Jonghak, the two people she did not want to see again.
During a hot summer holiday Kazuki has fallen into a love relationship, albeit unacceptable to the outsiders, with one of his students, Kashiwagi Mayu. Later, he realizes that his attraction to her comes from nothing other than her loneliness and a crime labelled as grossly unforgivable.