Kiruko

Kiruko is a fictional character from the manga series Heavenly Delusion, created by Masakazu Ishiguro. Kiruko works alongside their partner Maru as a bodyguard job around Japan to reach an area known as Heaven. The character's true identity is Haruki Takehaya , an orphan who was raised by his sister Kiriko and had his brain transplanted to her body to survive after suffering severe wounds from fighting a "man-eater" creature. Both Kiruko and Maru are able to defeat these creatures with Kiruko relying on the gun he names "Kiru-Beam" .

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