He just wanted to remember how he got here, how he died. Mihashi wanted to deny that so much, there was just no way he could really be dead. But it's hard to deny death when it's staring you right in the face. OR Mihashi is murdered and is trying to find out how he died and who killed him. But in trying to do so he finds that the catcher on Nishiura's hardball team is the only one who can see his spirit.