Basically, the teenage detective kiddo was frozen by some EVIL MASTERMIND PROFESSOR back in near-mid-1900’s, and gets unfrozen in the 2000’s by his granddaughter. Hilarity ensues as he encounters weird new stuffs and does silly blunders in his daily life with his granddaughter, Hikari.
The Arisaka sisters (Hatsune and Kazuki) and the Kagura siblings (Yuuji and Marie) lived next door when they were smaller. So close that they could climb onto each other's verandas from the 2nd floor. They would always play together until one day the Kagura siblings had to move. It's been 10 years and the Kagura siblings are moving back! Yuuji's turned into a pervert and Marie isn't the crybaby she used to be?!
The Mondlicht (German for Moonlight) are vampires who are unable to go out in daylight and are only able to live by feeding on the blood of humans. However, they're also mostly just frightened children on their own, trying to survive without killing anyone or being hunted out of existence. Doing this was hard enough, before an artificial human created by Dr. Frankenstein named F08 started to find them and tried to destroy them all. However, in F08's first fight, the girl she calls her big sister turns on her after killing the boy leading the Mondlicht. Whose side is she on? Why does she have wings just like the vampires she's supposed to be hunting? Can the Mondlicht ever live in peace? (Source: MangaHelpers)
A third adaptation of the visual novel ChäoS;HEAd that begun serializing in Jive's shōnen manga magazine Comic Rush magazine on September 26, 2008.
The "Time Loss Phenomenon," causes all living beings on Earth to be temporarily turned into statues. During Time Loss, only certain humans -- "Recievers" -- can remain active, and they witness the terrible reality of what's happening: otherworldly monsters are attempting to breach the human dimension. First year middle school student Futaba Sorano and her friend are in the middle of a tennis match when all of a sudden a fish-like monster appears out of the sky. At the same time, everyone around Sorano turns into stone, and then are transformed into monsters. While being chased by these monsters, a mysterious boy named Riu appears, and explains that it is up to her, and the other "Receivers", to use their strange new powers to save the earth from these intruders. Sorano and her fellow Receivers' epic battle to save the earth has begun! (Source: Wikipedia)
35 years have passed since the battle between Brave Raideen and the Demon Empire and all the other Super Robot battles. Peace has continued through the generations where Reideen has become a long forgotten legend, that is until the peace is disturbed once again from the appearance of 2 Fossil Monsters. Amongst the continuing screaming by the powerless citizens, an eighth-grader girl hears a mysterious voice from a great titan. The girl's name is Akira Saezuri who heard the voice of Akira Hibiki, the legendary pilot of the titan Reideen. Thus a new battle begins.
Okazaki Tomoya is a delinquent who finds life dull and believes he'll never amount to anything. Along with his friend Sunohara, he skips school and plans to waste his high school days away. One day while walking to school, Tomoya passes a young girl muttering quietly to herself. Without warning she exclaims "Anpan!" (a popular Japanese food) which catches Tomoya's attention. He soon discovers the girl's name is Furukawa Nagisa and that she exclaims things she likes in order to motivate herself. Nagisa claims they are now friends, but Tomoya walks away passing the encounter off as nothing. However, Tomoya finds he is noticing Nagisa more and more around school. Eventually he concedes and befriends her. Tomoya learns Nagisa has been held back a year due to a severe illness and that her dream is to revive the school's drama club. Claiming he has nothing better to do, he decides to help her achieve this goal along with the help of four other girls. As Tomoya spends more time with the girls, he learns more about them and their problems. As he attempts to help each girl overcome her respective obstacle, he begins to realise life isn't as dull as he once thought. (Source: MAL Rewrite)
Lakute, a man with a wolfs face, rescues a little orphan girl named Kukaru from certain death. The two then begin traveling together. Lakute wants to find a way to return to his original human form and Kukaru wants to find her long lost traveling father.
In ancient times, the King of Paroh is savagely murdered with his wife and servants in his castle by mercenaries from the Gohra army. Only his children, Prince Remus and his twin sister Princess Linda managed to escape during the massacre in the surrounding forest. Quickly caught up by bloodthirsty murderers, they are saved by a strange-warrior with the face of a leopard. Suffering from amnesia, the mysterious savior only remembers his name: Guin. Twins explain him their situation and decides to help Guin hoping to learn more about its origins. On their way, they meet some allies including a young girl from an ape-people, a mage and a mercenary by the name of Isht Van. The small group will rally the tribes Sem and legendary giants, the Lagons, to expel the invaders and to avenge the massacre committed by Gohra.
Yukimi, a chubby junior high student, discovers a magical dumbbell that can transform her into Miyuki, a beautiful and slender young woman in a revealing costume. But she must do battle with an evil three-star chef who tempts young girls with calorie-rich treats and dubious weight loss products, and keep her identity secret from her family and schoolmates.
Altered humans, Uno and Yuuna, take on ARCA's deal to service their debt. (Source: Tranquil Spring)

