Jasper (Anime: Fuguushoku "Kanteishi" ga Jitsu wa Saikyou Datta)

The Recluse of the Shadows, Jasper is an enigmatic figure from the world of anime, hailing from the realm where 'The Recluse of the Shadows' reigns supreme. He is a master of stealth and subterfuge, his presence often unnoticed until it's too late. Jasper's background is shrouded in mystery, his past as much a secret as his true face, hidden behind a mask that bears the image of a grotesque, grinning skull. His reputation precedes him, whispers of his deeds echoing through the underworld, striking fear into the hearts of those who dare to cross his path.