the players or the aliens. Gantz transports them to the area of the mission, and they cannot leave or return until all the enemies have been killed, or the time limit has run out. If they survive a successful mission, each individual is awarded points for the aliens they have killed. Once a participant has scored 100 points, a "100 point menu" will appear. The menu offers three options: Option 1: The participant can return to their normal life, never having to be summoned by Gantz again. As a price, their memories of Gantz and the missions will be erased. Option 2: The participant obtains a unique and extremely powerful weapon. Option 3: The participant can revive someone who has died during a mission from Gantz' memory. This option appeared halfway through the series. After a mission has been completed, points are tallied up, the participants are allowed to leave and do as they see fit until their next mission, with the exception of talking about Gantz, which would lead to their heads exploding. During Kurono and Kato's third mission, all the participants except Kurono are killed, however, Kato kills the last boss, giving Kurono a chance to survive. Kurono survives the third mission bleeding on the floor with his limbs cut apart. After the third mission Kurono starts to change inside, adopting a hero complex similar to Kato's personality. As the series continues, Kurono participates with the objective of reviving his deceased friends with the 100 point reward option. A new team of Gantz players is assembled, which Kurono leads, as the most experienced veteran and one of the best fighters. In the Oni mission it is shown that with Kurono's "will to live" he becomes the most ferocious Gantz hunter in the team. Through his interactions with the other members of the team and his life or death battles, Kurono gradually grows into a responsible leader. After the Oni mission Kato is revived by Kurono, and soon after Kurono meets his demise against the vampires. As the series goes on, the rules of the missions change; they can now be seen by regular people, the aliens they encounter are increasingly more powerful and dangerous, and they participate in a mission with another Gantz team from Osaka. Kato becomes the center of attention in the manga and his quest to revive Kurono. In a desperate attempt to revive his