Killer mermaids, gender swapping, and a devilish little sister with the power to end the world—four more unforgettable short stories that reveal the starting point of Tatsuki Fujimoto, the twisted mastermind behind Chainsaw Man. 
(Source: VIZ Media)
 
1. Ningyo Rhapsody (2014) 
2. Me wo Sametara Onnanoko ni Natteita Yamai (2017) 
3. Yogen no Nayuta (2015) 
4. Imouto no Ane (2018)

A tale about a prophecy involving a girl with horns who is said to bring destruction upon the world, and her brother.

In a world where sirens are common, the protagonist is a hybrid of a human father and a mermaid mother. He's always playing the piano under the sea, when a strange siren approaches him…


A boy wakes up to discover he has become a girl! How will this affect his daily life?!


Mitsuko is a third year at an art high school. In the hallway, she found a painting which had won the school competition and would be hung up for a whole year; a nude painting of herself done by her little sister, even though Mitsuko had never posed for her. About sibling who draw naked drawing of each other.

Alien invasions, high school romances, and even bloody vampire action—all this and more awaits in four compelling short stories that reveal the starting point of Tatsuki Fujimoto, the twisted mastermind behind Chainsaw Man.
 
(Source: VIZ Media)
 
Compilation containing four of Fujimoto's one-shots.
 
1. Niwa ni wa Niwa Niwatori ga Ita (A Couple Clucking Chickens Were Kickin’ in the Schoolyard) (2011) 
2. Sasaki-kun ga Juudan Tometa (Sasaki Stopped a Bullet) (2013) 
3. Koi wa Moumoku (Love Is Blind) (2013) 
4. Shikaku (2014)

An anthology series adapting 8 short stories created by manga artist Tatsuki Fujimoto between ages 17 and 26. 
 
1) A Couple Clucking Chickens Were Still Kickin' in the Schoolyard (Dir. Seishirou Nagaya, ZEXCS)
 
2) Sasaki Stopped a Bullet (Dir. Nobukage Kimura, Lapin Track)
 
3) Love is Blind (Dir. Nobuyuki Takeuchi, Lapin Track)
 
4) Shikaku (Dir. Naoya Ando, GRAPH77)
 
5) Mermaid Rhapsody (Dir. Tetsuaki Watanabe, 100Studio)
 
6) Woke-Up-as-a-Girl Syndrome (Dir. Kazuaki Terasawa, Studio Kafka)
 
7) Nayuta of the Prophecy (Dir. Tetsuaki Watanabe, 100Studio)
 
8) Sisters (Dir. Osamu Honma, P.A.WORKS)
 
Note: This anime had a pre-release world premiere at the "Global Stage Hollywood 2025" film festival on October 5, 2025. A general two-week theatrical run in Japan divided into two parts released on the same day October 17, 2025. The anime series later streamed worldwide in Amazon Prime Video on November 8, 2025.

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