Fantastic Detective Labyrinth (Original Japanese Version)

Three elementary school students end up going to an old mansion after hearing rumors of ghosts. They find a mysterious boy named Mayuki.

Mayuki starts attending school on his 12th birthday, but his new school life is interrupted by a bomb threat.

Minori asks Mayuki to fix her souvenir. Mayuki can’t fix it, so he and the gang venture into the restricted zone to find a replacement.

Minori and Rakuta are trapped in an elevator, so Mayuki and Kota must find the backup generator to restore power save their friends.

Mayuki and his friends decide to visit Yaya. They find that her family is being harassed because her brother Shichiro is a key witness.

Mayuki has to race against the clock to find Shichiro before the trial. How did Shichiro disappear from a moving train.

Mayuki, Serian, Hatsumi, and Sanae all go to Mutsumori Hills to watch Mayuki’s favorite movie.

Hatsumi is accused of murdering a teacher. Will Mayuki be able to prove her innocence and find the truth behind the ghost story?

Mayuki realizes that there’s even more going on.

A corpse has been skewered to the top of a radio tower and the police are at a complete loss.

Mayuki’s suspect ends up dying in a horrific accident before he can be caught.

Minro gives everyone tickets to an amusement center to try and cheer Mayuki up. But there’s one problem: Mayuki can’t swim!

Several women have disappeared, so Detective Miyako once again asks for help.

While racing to save Sanae, Mayuki realizes that someone is manipulating him.

In his search for truth, Mayuki comes across an old mansion that appears to him in his dreams.

Seiran’s brother Shien arrives in Japan and decides to have a little fun at the expense Mayuki and his friends.

Shien organizes a marathon for the school. Mayuki is left behind by his friends and is embarrassed by his lack of physical ability.

Shien gives Mayuki and his friends another game to play. While the kids are distracted by hijinks, Shien and Seiran discuss their past.

Mayuki and his friends go on a camping trip. However, when Mayuki gets lost in a cave, he’s attacked by Byakko.

Seiran is shaken by what he has learned, so Mayuki goes to Shien to ask about the truth.

The story of Byakko’s past finally comes to light as she fights with Yoko, Shien’s Aya.

As Mayuki’s friends escape with Detectives Miyako and Inogami, he faces off with Seiju. S

Mayuki decides that he must settle things alone. Strange earthquakes are causing previously-buried buildings to resurface.

Mayuki searches for an item from long ago, and the search takes him to the mansion where he stayed in as a baby.