Professional boxer Sota Kusunoki has gained popularity for his fighting style, where he goes headlong into his opponents. However, years of fighting have taken their toll on his body, and he is forced to retire by a doctor's stoppage. He takes the opportunity of his retirement to marry his girlfriend, Sachiko, and start a new life, but he is completely useless in society and is made acutely aware of the harsh reality of his situation. One day, a mysterious man who claims to be a fan of Sota's receives an offer to fight in an underground martial arts tournament, where he will fight for a large sum of money and where his desires are thriving... The prospect of fighting once again revives his almost forgotten excitement, and his adrenaline surges as if to fill the emptiness in him. Will the madness and honesty of a man obsessed with fighting have a happy ending or a bad one?

I’m Glad to Be Alive

One day, Tatsumi, a lonely underworld worker, comes across the murder scene of his ex-girlfriend Kyoko. Tatsumi escapes with Kyoko's younger sister, Aoi, who was with her. On the other hand, Aoi, who has lost her beloved family and vows revenge, pursues the murderer of Kyoko.
 Tatsumi, who is at loggerheads with the impudent Aoi, decides to accompany her on her journey for revenge, and as he cooperates with her, a certain feeling begins to develop.

Tatsumi

Maki finds out that she is pregnant. She enjoys a gentle pregnancy, but one day, as the due date approaches, Maki is hospitalized. She undergoes a prenatal diagnosis to confirm the safety of her child and the results are negative. Maki is relieved, but when the time comes to give birth, the baby is born with an incurable disease.