Takuma and Mayu's story began when they were only 8 years old. During his childhood, Takuma was constantly hospitalised due to his heart condition. He soon became friends with Mayu, the daughter of the docto...

Shimatani Shousuke, an editor for a publishing company in Tokyo and Yamauchi Shinichirou, a graduate of one of Japan's top universities and bank employee, have been best friends all life long. After both of ...