Yuu

An enigmatic blonde youth and associate of Shuichiro, this character harbors a dark secret linked to the second Apocalypse outbreak. During the violent coup d'état, he demonstrates his terrifying "Power of Kings" by kidnapping Inori and exploiting her void to assassinate Shuichiro. Only Gai’s timely intervention prevents his total downfall. Known by the chilling title "Death Grave Keeper," his true intentions and immense, destructive potential remain a central mystery within the unfolding chaos.