MADDER: I Am the Culprit in That Case

Musashino, Tokyo. An elementary schooler repeatedly attacks people in the streets. Known only to the public as "Lil Slugger", none of the victims can recall the young boy's face and only three distinct details are left in their memories: golden inline skates, a baseball cap, and the weapon: a bent golden baseball bat. Detectives Ikari and Maniwa set out to track down the perpetrator and put an end to his crimes.

In the fictional town of Neptune, California, student Veronica Mars progresses from high school to college while moonlighting as a private investigator under the tutelage of her detective father.

A supernatural system allows people to take revenge by having other people sent to Hell via the services of a mysterious entity and her assistants who implement this system. Revenge, injustice, hatred, and the nature of human emotions are common themes throughout the series.

Narrates the events and cases encountered by Kaoru Utsumi, a rookie detective, and Manabu Yukawa, a university associate professor, while the two pair up to solve many mysterious cases.

Nancy Drew makes plans to leave her hometown for college, but finds herself drawn into a supernatural murder mystery instead.

The son of a world famous mystery writer, Jimmy Kudo, has achieved his own notoriety by assisting the local police as a student detective. He has always been able to solve the most difficult of criminal cases using his wits and power of reason.

Hope's Peak Academy is a special school, recognized by the government, that was established in order to gather and nurture top-class students who excel in various fields. This school has two courses: The main course, and the preparatory course. Anyone with the money can enter the preparatory course, even if they don't have any special skills. The 77th class of the main course is filled with students who not only have unique abilities, but unique personalities as well. However, the students learned that "Talent isn't the most important thing in life; it's to involve yourself with people and make yourself a better person while making memories." However, little did they know that a mysterious project and discrimination of the courses were happening right under their noses. Hajime Hinata, a boy from the preparatory class who craves for an ability. The fateful meeting he has drives the future of the school into an unimaginable direction.

Spy-in-training Lily is desperate to score a passing grade. Eager to prove herself, she leaps at the chance to join the mysterious team Lamplight and beat the Impossible Mission. Too bad the task ahead is even more harrowing than she imagined…

Kindaichi Hajime may look dumb, but he is one of the smartest you will ever see. He encounters mysteries after mysteries with his good friend, Miyuki, and he swears to solve them in the name of his grandfather, which was a great detective.

Kobato decides to become an honest, humble citizen after enduring a bitter experience known as “wisdom work.” He forms a pact with Osanai, his classmate with the same goal, and they plan to enter high school leading quiet lives. But for some reason, inexplicable events and disasters keep happening around them. Will Kobato and Osanai ever manage to live ordinary, peaceful lives?