マミヤ -DoomsDay Dreams-
Natsume (MAMIYA)
Natsume's former name was Soichiro Natsume, who valued his four friends and was willing to take risks to stop Mamiya from bringing misfortune upon them. He also likes the maid Miina.
Aragaki (MAMIYA)
Aragaki became a model for readers with her outstanding looks, remained wary of others, and rarely opened her heart.
Mamiya
Mamiya is known as the existence of Mamiya, luring people into another world; He possesses a physical body, yet his goal is to attain reality. He cares about his old friends in the Pink Room, and harbors both contempt and envy toward Natsume.
Minato Tojo (MAMIYA)
Tojo Minato is cheerful and sociable, popular in class, but he only calls Kikuchi a close friend. He excels at judo, holds a black belt, is handsome, and has a big appetite.
Pink House (MAMIYA)
The Pink House is a house where co-residents gather, with Arisugawa holding a leading position, and Mamiya also caring about old friends here.
Mamiya
Touma specializes in music, serious yet somewhat natural. He cared for his frail younger brother and pursued his own musical dreams.
Ryo Kikuchi (MAMIYA)
Kikuchi was isolated due to rumors of violence, and his childhood friend Tojo Minato was someone who understood him. His mother was often away, so he relied on multiple part-time jobs to support his nine-year-old sister Midori. Although not good at conversation, he treats people seriously.
Mamiya
Kageto Suo grew up in a family of a mother and a police officer father, loving and just, but also unconsciously showing arrogance. He joined the lacrosse club.
Nurse Uniform Mamiya (MAMIYA)
A mysterious girl appears before Haruki Morichika, wearing a nurse's uniform and wearing a gentle smile.
Samejima (MAMIYA)
Samejima is a subordinate of Suo Kagehito's father and has cared for him since he was young. He often wore a smile that made others uneasy, yet he himself considered his behavior ordinary.
Arisugawa (MAMIYA)
Arisugawa is an ambitious children's literature author, tough in handling matters and holding a leadership position among the co-residents of the Pink Room.
Haruki Morichika (MAMIYA)
Haruki Morichika has no steady job and lives in the homes of women he knows. Her attitude is strong yet delicate, longing for companionship and enjoying solitude.
World End: Fantasy MAMIYA Switch version
A complete port released on June 25, 2026, includes three stories and fully voiced character dialogue.
DownFall（MAMIYA）
The second part describes the efforts to save those affected by an existence named Mamiya; The different era images of Arisugawa, Touma, Aragaki, and Samejima form one of the character lines.
FALL DOWN（MAMIYA）
The first part centers on the year when the end of the world was prophesied, describing the troubles and tragedies of four men.
Soyogi Bon (voice synthesis character)
Bonsoyogi is a voice AI character developed based on Yuki Kaji's voice. The MAMIYA Switch port uses it as the voice signature for some characters.
Rabbit Mask Mamiya (MAMIYA)
A mysterious boy appears before Kikuchi, wearing a rabbit mask and laughing cheerfully.
みーな（MAMIYA）
Mina is Natsume's favorite maid, appearing from Chapter 1. His 2026 Switch voice actor is marked as undisclosed on the public profile page.
Midori Kikuchi (MAMIYA)
Midori is Kikuchi's nine-year-old sister. When their mother was rarely home, her brother supported her with multiple part-time jobs.
Gas mask-like Mamiya (MAMIYA)
A mysterious boy who appears before Minato Tojo, always wears a gas mask and loves heights.
Mamiya (MAMIYA), who claims to be the invisible man.
A mysterious figure appears before Suo Kageto, claiming to be invisible with no visible form; The public CV has not been disclosed.
マミヤ -DoomsDay Dreams-
"MAMIYA -DoomsDay Dreams-" is the final chapter of "MAMIYA," produced by Kenkou Land. The story continues from the previous two parts, rewriting the fate of a friend and exploring why the faceless child "MAMIYA" truly exists.