Yu-yu is a boy living in Kanazawa, Kaga Province. He is 15 years old and in his third year of junior high school. He has the ability to sense the feelings of others, but he is troubled by the fact that he cannot say no when asked. One day, Yu-yu could no longer stand going along with his sister's hobby, so he ran away from home. The one who saves him is Megumi Okura. Megumi invites Yu-yu to a nighttime amusement park called "Wonder Hill" where her friends hang out. At the amusement park, Yu-yu meets Megumi, Zakusa Ishikame, and Tomari Seto, members of "Team Blackout," a group that meets to play Vanguard every night. Tonight, a serious fight for the team's flag will take place. Blackout's leader, Danji Momoyama, and the mysterious and powerful fighter, Touya Ebata. As Yu-yu stares at them, the card fight is soon eroded into a world of images. This is how Yu-yu encounters Vanguard, a world he has never seen before, and is drawn in by its powerful allure- making new friends along the way. (Source: ANN)

Shinkurou Kurenai is a 16-year-old student by day and a dispute mediator by night. Though kind-hearted and patient, due to his tragic past, he has trained for years to live on. Now, despite his unimposing appearance, he is a strong martial artist, who also possesses a strange power. While taking various jobs for his employer, Benika Juuzawa, one assignment leads Shinkurou to live with Murasaki Kuhouin as her bodyguard. Murasaki is the seven-year-old daughter of a plutocratic family, who escaped her home under peculiar circumstances with Benika's help. Commoner life, in her eyes, seems bizarre. However, by interacting with her neighbors, she grows more accustomed to the daily routine, and rids herself of her snobbish behavior, gradually growing attached to Shinkurou. Though many details of the job remain unclear, Shinkurou still strives to protect the young lady. But to make things more complicated, he also lacks a crucial fact—what is the real threat against Murasaki? [Written by MAL Rewrite]

In the world of Gift, the bowels of the planet hide a highly sought after crystalline substance known as Giftium. A young boy on Gift named Sougo Amagi inherited his interest in Giftium from his mother, a researcher. As an inhabitant of Garden Indigo, a small and prosperous miner's town, Sougo has many opportunities to forage and collect rare crystals that can only be found there. However, the most exciting treasure that Sougo discovers is not a crystal, but a person. After being pulled into a school quarrel, he plummets into the deep caverns of an old mine. There, in the abysmal depths of the earth, Felia—an enigmatic girl with red eyes and blue hair—emerges from a large crystal. Through this strange first encounter, bonds of friendship are formed between Felia and Sougo. But Felia is being pursued by a secret organization that aims to use her powers for their own benefit, and Sougo and his friends must help her, all while discovering the true nature of this girl from the crystal. [Written by MAL Rewrite]

A group of friends—Nonoka Komiya, Koharu Shiihara, Shione Togawa, and twins Yuzuki and Souta Mizusaka—once attempted to summon a flying saucer to grant their wishes. After thinking that they failed, they called it a day. However, soon afterward, Nonoka abruptly moved out of Kiriya City, breaking the bond of their circle. Little did the group know, they were successful and the saucer has been floating in the sky since then, waiting to fulfill its purpose. Seven years later, Nonoka returns to Kiriya, all but forgetting everything regarding her life there. She meets Noel, a little girl wearing strange clothes, and through her, Nonoka begins to remember the past and the friends she left behind. From there, she strives to reforge her severed relationship with the others as she uncovers the mysteries connecting Noel, the saucer, and the wishes they once cherished together. [Written by MAL Rewrite]