"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?! As Sakamoto and his friends hunt for the database at the JCC,...

"Sakamoto and X finally face off! Although Sakamoto has vowed not to kill, X shakes him up by threatening his family. How will Sakamoto fare when confronted with an enemy who has a bloodthirsty grudge against the JAA?!" --back cover.

"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?! Sakamoto comes running to Shin's aid and clashes violently with Shinaya, who's being controlled by Gaku! Our heroes...

"Team Sakamoto enters an airsoft tournament organized by the shopping arcade in the hopes of winning the million-yen prize. However, things don’t go as planned and they find themselves teaming up with a not-so-sharp sniper called Heisuke. Meanwhile, some shady characters connected to the secret organization that raised Shin are on their way to Sakamoto’s..." --publisher's website.

"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?!In the third stage of the JCC transfer test, the participants are divided into multiple teams for a deadly game...