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Child X Adult Equation

Child X Adult Equation

こども×おとなの方程式

Chiharu and Satoshi have been inseparable since preschool. Chiharu, the only son of the Nanjou family, was a crybaby, while Satoshi was a tough, rambunctious kid who loved playing soccer. Now they are older, and their dynamic has shifted: Chiharu is popular with the girls, while Satoshi is not. But Chiharu harbors a secret crush he cannot reveal, especially not to Satoshi.

Meanwhile, Chiharu's father, Nanjou, is a divorced single parent. When Chiharu's childcare teacher, Aiba, begins staying at the Nanjou home to care for the boy, a new relationship starts to develop between the teacher and the father. As Chiharu navigates his own coming-of-age, his first love turns out to be unrequited, which threatens to change his friendship with Satoshi forever.

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