Oku has worked on various manga since Gantz's conclusion, with his last work, Gigant, concluding in 2021. As the series neared its end, he regularly used his social media to give updates on the ...

The original Gantz manga ran from 2000-2013 for 37 volumes ... the dark superhero series Inuyashiki and the sci fi series Gigant. Readers should be aware that Oku's works often depict graphic ...