He, Yukina Qian, was a person who was abandoned by his entire family since he was born. He never thought that he could win the family war called inheritance, which was composed of life, blood and bullets. He had never even thought about surviving this war. Ever since that televised tennis match, that person, the man, no, just the boy, who looked down on everyone on the tennis court - Atobe Keigo, the light exuded became the only light in Yukina Asa's dark life. It is precisely because of this light that Yukina Asa stubbornly dragged his body, which could not live up to 18 years old, to win the position of heir and the title of the ultimate godfather. However, that person, Atobe Keigo's heart had already been given to others...