Kudo Shinichi is a seventeen year-old high school detective whom people call the "Modern Sherlock Holmes." However, one night after a date with his childhood sweetheart, Ran, Shinichi witnessed an illegal trade and, caught off his guard, was knocked unconscious and fed a drug that was supposed to kill him... but he woke up and found himself shrunken to a seven year-old. In order to track down the men who did this to him, Shinichi hid his identity and lived with Ran, whose father happened to be a hopeless detective, and with that came a series of murders and mysteries that he must solve.
Tantei Gakuen Q
The Dan Detective School is a Japanese detective school permitted by the government. Kyu, an ordinary boy with big dreams to become detective, attends the school as a member of Q Class along with Megu, the girl with photographic memory; Kazuma, the computer genius kid; Kinta, the strong; and the mysterious Ryu. Together they solve many cases which bring them to face Pluto, the crime organization which should have been destroyed by Dan Morihiko.
Ayumu Narumi's older brother Kiyotaka, a renowned detective and piano player, disappears all of sudden. The only clue Narumi has, are the Blade Children. Two years later a row of murders and incidents begin, relating to the Blade Children. Together with school journalist, Hiyono Yuizaki, Narumi tries to figure out their destiny.
When They Cry - Higurashi
On one hot summer day in 1983, a transfer student named Maebara Keiichi comes to a peaceful rural village in Hinamizawa. There, he befriends his classmates Rena, Mion, Rika, and Satoko. Accepted as a full-fledged member of the "club," Keiichi and the gang plays all sorts of activities ranging from card and board games to hide-and-seek. But just as Keiichi was beginning to be assimilated in simple rural life, he stumbles upon the dark history of Hinamizawa. As Keiichi dives deeper into the mystery, he finds that his new found friends may not be all what they claim to be.
Kamisama no Memochou (one of my favs)
Narumi Fujishima is an ordinary high school boy who remains isolated from his fellow classmates. One afternoon fellow classmate Ayaka Shinozaki invites Narumi to join the gardening club and introduces him to a reclusive detective named Alice. Alice hires Narumi as an assistant and puts him to work solving the strange mysteries of Angel fix, an illegal drug. Little does he know it could put him and Ayaka in serious trouble.
Agatha Christie no Meitantei Poirot to Marple
Young Mabel West is the daughter of mystery writer Raymond West, who wants her to lead a normal life. Rebelling against this, Mabel wants to be a great detective, and sets out for London to become assistant to none other than Hercule Poirot, the great Belgian detective who resides there. She finally wins the reluctant approval of her father, and embarks on an exciting life of mystery and suspense - his only demand being that she occasionally spend some time with her great-aunt, Jane Marple, in the small village of St. Mary Mead.
Domain of Murder
On the trail of a missing husband, private investigator Goro crosses paths with a deranged killer.
Taichi Keaton is a man of many talents: father, historian, frequent traveler, negotiator, archaeologist, former survival instructor, and all while working as an insurance investigator for Lloyd's of London. While his methods may seem a bit unorthodox, he gets the job done when needed, but not without a little something to learn or teach in the process. Through all of his adventures, some people call him a quack. Those who know him well call him a master of life...
Kindaichi Shounen no Jikenbo
Hajime Kindaichi may look dumb, but he is one of the smartest you will ever see. He encounters mystery after mystery with his good friend, Miyuki, and he swears to solve them in the name of his grandfather, who was a great detective.
hope that helped :)
Answered By: Cocopops - 1/17/2012