Kill some time with former hit man Taro Sakamoto! Taro Sakamoto was once a legendary hit man considered the greatest of all time. Bad guys feared him! Assassins revered him! But then one day he quit, got married, and had a baby. He's now living the quiet life as the owner of a neighborhood store, but how long can Sakamoto enjoy his days of retirement before his past catches up to him?! The fight between Gaku and Nagumo ends with Nagumo delivering a knockout blow. Down in the museum's basement, X confronts the JAA's chairman while X's gang takes on Shishiba and Shin on the upper floor! As their battles reach their climaxes, Sakamoto rushes to X, but can he make it there in time?.