Architect

The Architect (設計師,) is a young man who invited Mizuki Tsujimura, Natsuhiko Kyōgoku, and Yukito Ayatsuji to Narwhal Manor. He first appears in Bungo Stray Dogs: Tales of the Lost.

Appearance
The Architect is a young man with silver-white hair, green eyes with gray sclerae, and a slim build. He also has a beauty mark under the corner of his left eye.

He wears a mismatched pair of clothes, black tights with cutouts around the hips, bandages wrapping around the lower half of the legs, and a pair of garish yellow-soled zip-up sneakers.

In his hand, he carries a measuring tape.

Personality
The Architect believes that society is incomplete. He was distressed by the Great War and poverty striking the world, so he decided that the world must be destroyed and that he will build it anew.

Background
The Architect is considered to be a genius with a background on physics and mathematics, which contradict his young age. His vast knowledge allows him to work as an unlicensed architect.

At some point, The Architect had invited Mizuki Tsujimura, Ango Sakaguchi, Natsuhiko Kyōgoku and Yukito Ayatsuji to face off against him at Narwhal Manor, calling them "Wise Ones".

Quotes

 * "This society is incomplete, and I shall undo it all. Building implosion must be our first step."
 * "Our repulsive societies lack an architect. Territories are selfishly created. Areas are optimized carelessly. No one looks at the big picture."
 * "God exists... I have proof."