The shadow of murder falls over the calm moonlight.
About
Tsukikage Island is in the middle of a heated village chief election. Amidst the tension, two candidates and one man begin to be murdered one after another. At each crime scene, Beethoven's 'Moonlight Sonata' is played. With no way to call the police, the remaining residents must deduce who the killer is among them...!
Characters
Deceased at the start of the story. Twelve years ago, after holding a recital at the community center, he reportedly returned home, killed his family, and committed suicide by setting his house on fire. It is said he died playing Beethoven's Moonlight Sonata while the house burned.
The former village chief of Tsukikage Island. He died of a heart attack three years ago.
A 56-year-old man running as a candidate for the village chief election. He is said to have the highest approval rating, but circumstances suggest he bribed the residents. He becomes the killer's first target and is murdered.
A 56-year-old man and the incumbent village chief running for re-election. He has earned the resentment of the residents due to his actions during his term. He becomes the killer's second target and is murdered.
A 49-year-old man running for village chief. He appears to have a better character than Kuroiwa or Kawashima.
A 55-year-old man. Originally kind and diligent, he reportedly lost his entire fortune to a life of debauchery after falling into alcoholism. He has been a shut-in since the death of Chief Kameyama. He becomes the killer's third target and is murdered.
A 27-year-old woman and the daughter of Chief Kuroiwa. Her personality is not very pleasant, much like her father's, but her love for Murasawa seems genuine.
A 27-year-old man and Reiko's fiancé. He is blunt and foul-mouthed, but he doesn't seem to be a bad person at heart.
A 31-year-old man and Chief Kuroiwa's secretary. He is secretly involved in drug trafficking with Kawashima.
A 26-year-old woman and the doctor on Tsukikage Island. Although it's not her hometown, she loves the island very much. She has a very bright and cheerful personality. In reality, she is the culprit of this case. Her real name is Aso Seiji, the son of Aso Keiji who died 12 years ago. He discovered that his father and the victims were secretly dealing drugs and that they killed his father to silence him when he tried to quit. He came to the island disguised as a woman to hide his identity and seek revenge for his father's death... After the crimes are revealed, he ultimately sets fire to the community center and commits suicide by staying inside.
Intro
In 1984, the nights on Tsukikage Island were peaceful. That is, until a fire suddenly broke out at the home of pianist Aso Keiji...
Residents came outside to see the sight. Inside the burning mansion was Aso Keiji.
As if possessed by something, he continues to play Beethoven's Moonlight Sonata.
Inside, Aso Keiji was playing the piano next to the bodies of his daughter and wife. He died just like that inside the mansion.
Twelve years later, in 1996, people seemed to have forgotten that incident and were living in peace.
Walking out of school, to a friend See you tomorrow then!
At the same time, at the hospital entrance Got it, Genta? You have to stay tucked in warm under your blankets!
Release Date 2026.09.09 / Last Updated 2026.10.18