Kaoru Tachibana, a baseball player who was once nicknamed "Mr. However, in recent years, he lacked vigor and was in danger of retiring from active duty. Moreover, his heart is so weak that he could have a seizure at any moment due to the influence of a pitcher's life that has been forced to extreme tension for many years. Kicking the offer of a baseball commentator, Tachibana applied for a test to various teams, but was turned away. In the midst of this, the manager of Tokyo Phoenix gives him the condition that if he can strike out Egashira on three pitches, he will let him join the team...!? Hot-blooded baseball manga!