Mizuiro
Synopsis
Brother Kenji and his younger sister Yuki live in a house under the same roof. Their parents are often away, and she secretly yearns for her older brother. One day though, a girl suddenly appears from the closet in Kenji's room. Strangely, her body is transparent, and she looks like a ghost. Her name is Hiyori, and as it turns out she is a dear childhood friend. However, when Kenji and Hiyori become close, Yuki is quite shaken, and she recalls an unpleasant childhood memory: A much younger Kenji receives an unwanted ring from a toy dispenser, and will only part with it in exchange for a yo-yo. Desperately wanting to be his bride and seeing the ring as a sign thereof, Hiyori gets a yo-yo, but must suddenly leave town and move away. Hiyori gives the yo-yo to Yuki, to hand on to Kenji. But Kenji's ring could never be given to Hiyori, thus a promise was broken. It becomes clear that the events in their childhood are related to Hiyori's showing up now...
Episodes
You might also like

In a world where both men and monsters exist. Those who hunt the monsters are called Hunters. But in a small corner of the Hunter's world, there are those called Riders who bond with and coexist with monsters. With their Kizuna Ishi (Bonding Stones) that allow them to awaken the hidden power inside monsters, Riders live in secrecy together with their Otomon, the monsters they formed a connection with. Ryuto, a young boy living in the Rider village of Hakum, dreams of becoming the world's best Rider. Having just turned 12, he sets out to find his own Otomon for himself before the ceremony where he is given his own Kizuna Ishi. Together with his kind-hearted childhood friend Cheval, his inquisitive childhood friend Lilia, and his partner Naville, he sets out deep into the forest, and has a miraculous encounter with a Rathalos.
Monster Hunter Stories: Ride On

Sana Kurata has a charmed life. Not only is her mother is a famous, award-winning writer, but she's the star of the hit TV comedy "Child's Toy" while still in the fifth grade. But Sana's biggest concern is Akito Hayama, a pint-sized hellion who's organized the boys in their grade-school class into a mass of unending noise and violence. With the help of Rei, her manager, chauffeur and "pimp," Sana is determined to win back control of the classroom from her new arch-enemy. But as her crusade continues, Sana moves further into Akito's life, and finds that he might not be entirely bad...or entirely safe.
Kodocha

Jinta Yadomi and his group of childhood friends have become estranged after a tragic accident split them apart. Now in their high school years, a sudden surprise forces each of them to confront their guilt over what happened that day and come to terms with the ghosts of their past.
Anohana: The Flower We Saw That Day

The incidents which occurred on August 14th and 15th bring a group of young boys and girls together… They are members of a group they call themselves the "Mekakushi Dan" (Blindfold Organization) and each member possesses a strange power involving their eyes.
Mekakucity Actors

Miyo's abusive family deems her worthless – but together with her powerful husband-to-be, her true self and hidden powers slowly begin to shine.
My Happy Marriage

Tomoya Okazaki is a third year high school student resentful of his life. His mother passed away from a car accident when he was younger, causing his father to resort to alcohol and cigarettes. This results in fights between the two until Tomoya's shoulder is injured in a fight. Since then, Tomoya has had distant relationships with his father, causing him to become a delinquent over time. While on a walk to school, he meets a strange girl named Nagisa Furukawa who is a year older, but is repeating due to illness. Due to this, she is often alone as most of her friends have moved on. The two begin hanging out and slowly, as time goes by, Tomoya finds his life shifting in a new direction.
Clannad

Romeo, a poor kid living in a Swiss village, bravely sells himself into servitude as a chimney sweep in order to save his family. On his way to Milan he meets a mysterious boy named Alfredo, and they become fast friends. Life as a chimney sweep is hard and dangerous. But together, and with the help of some new friends, Romeo and Alfredo find themselves striving for a better life.
Romeo's Blue Skies

Danny Fenton was once your typical kid until he accidentally blew up his parents' laboratory and became ghost-hunting superhero Danny Phantom. Now half-ghost, Danny's picked up paranormal powers, but only his sister, Jazz, and best friends, Samantha and Tucker, know his secret. Danny's busy fighting ghosts, saving Casper High and hiding his new identity all while trying to graduate.
Danny Phantom

Ko's new companion, Nazuna, could offer him dark gifts and a vampire's immortality. But there are conditions that Ko must meet before he can sink his teeth into vampirism, and he'll discover just how far he's willing to go to satisfy his desires.
Call of the Night

Martha, a beloved family dog, is accidentally fed alphabet soup — this gives her the power of speech and the chance to speak her mind to anyone that will listen.
Martha Speaks

Sarah Crewe, the young daughter of a wealthy Englishman in India, starts attending a prestigious boarding school in London. However after a series of unexpected tragic events, she is forced to become a maid at the school.
Princess Sarah

During the Sengoku period, there are many factions constantly at war. One of these is led by a one-eyed man named Date Masamune and another by the imposing Takeda Shingen. The latter has a fiercely loyal subordinate named Sanada Yukimura who goes head to head against Date Masamune multiple times, but the battles between them tend to get interrupted. One such battle occurs when both men try to go after another leader named Imagawa, and they’re forced to break off their heated duel when Imagawa attempts to flee the scene with his body doubles. Yukimura and Masamune go after separate Imagawas, but all of the doubles are killed by a third party, and when their paths cross again, they are in front of the menacing Oda Nobunaga and his army. It was Nobunaga’s subordinates that killed those body doubles, and Nobunaga himself proceeds to kill the real Imagawa with a shotgun blast to the head.
Sengoku BASARA: Samurai Kings

Determined to protect his demon world from heavenly angels, demon Masatora Akutsu heads to earth in search of a charismatic human to rally his kin. Masquerading as a high schooler for his recruitment mission, he's captivated by the lovely Lily Amane. But he's in for a wild celestial surprise, because she's his archnemesis—an angel—and she's set on reforming his demonic ways!
The Foolish Angel Dances with the Devil

This story is about a girl, Candy, who is a orphan. She is a nice and optimistic girl and she has a warm heart. When she was a child, she lived in an orphanage called Pony's Home. She had a good friend called Ann. And she met the "handsome boy on the hill" who is a important person in her life, on the hill behind the orphanage. She was adopted by the Loka's family. What's awaiting her are the bad-hearted Leo and his sister, Eliza. One day, in the rose garden, she met a boy, who is identical to the "handsome boy on the hill" who she had met in her childhood. The boy is called Antony. Thereafter, a fantastic story that she has never expected begins.
Candy Candy

In ancient times, a great battle was waged between a master mage, Enno, and an evil demon goddess, Karuma. Enno didn't have the strength to defeat her alone and was forced to call upon Zenki, a powerful protector demon. After Karuma was defeated, Enno sealed Zenki away in a pillar located inside his temple. 1,200 years after this epic battle, Enno's descendant, Chiaki, unleashes her family's powers to summon Zenki.
Zenki

For centuries, the deadly arts have been perfected by Masters, and Five Great Families hold the greatest power and influence. Hikaru Gero, an heir to the Gero family, lives in the underworld as an elite assassin. When his sister is pressured to produce an heir, Hikaru asks Mei Kinosaki, a brilliant marriage swindler, to find him a bride. The most challenging mission of his life begins!
Marriage Toxin

Mafia is rife in America where assassinations are a regular occurrence on the streets. Inferno, a mysterious company, is behind most of these dealings through the use of their near-invincible human weapon, "Phantom." One day, a Japanese tourist accidentally witnesses Phantom's latest murder. Desperate to escape, the tourist hides in a secluded building. However, Phantom, revealed to be a young woman named Ein, and the leader of Inferno "Scythe Master" captures the tourist and brainwashes him. Given the name "Zwei," this once peaceful tourist is now a puppet of Inferno with no memories. Drawn into a world of lies, deceit, and violence, Zwei must fight to survive, hopefully to one day regain his memories and escape from this world where he is constantly on the brink of death.
Phantom: Requiem for the Phantom

Banri Tada is a freshman at a Tokyo law school. After an accident, he suffers severe memory loss. Despite the incident, he befriends fellow freshman, Mitsuo Yanagisawa, which leads him to the beautiful, yet obsessive, Kouko Kaga.
Golden Time

Five young men with mystical armor fight to save the mortal from the evil Talpa.
Ronin Warriors

Utage Kinoshita is a high school girl who works part-time as a housekeeper. She has devoted her life to her favorite idol, Tamon Fukuhara, from the group F/ACE. Then one day, Utage ends up being assigned to Tamon’s house! There she discovers that off-stage, he is nothing like his wild idol persona. A gloomy, introverted boy with no self-confidence, Utage still finds herself falling for him anyway.