A young boy named T?ta is struck down while protecting his guardian, Yukihime, against a ruthless bounty hunter. Though his wounds should have been fatal, T?ta not only survives, he learns the reason behind his limited memories - Yukihime is actually a sorceress and 700-year-old vampire who saved his life two years ago by making him a vampire as well. With his powers awakened,T?ta’s life will only get more interesting when he joins a secret society for outcasts and fellow immortals: UQ Holder.
T?ta is upset at his inability to control magic when all of his friends can. Meanwhile, Yukihime is attacked by a bounty hunter. Is T?ta able to come to her aid?
A new world is waiting for T?ta and Yukihime, but outside of the quiet countryside, something dark is lurking. Meanwhile, has T?ta made a new ally? Or a new enemy?
T?ta, Kuromaru, and Yukihime are off to the capital and the secret headquarters of the UQ Holders. What lessons will be learned there?
T?ta gets his first assignment from Yukihime which is the perfect job for beginners but things do not go as they were planned.
The fight against the immortal hunters turn deadly. When T?ta, Kuromaru, and Karin find themselves in a dire situation, help comes from the most unlikely source.
The gang learns something about Kuromaru that must be kept secret from T?ta. Meanwhile, they find trouble while they are out on the town.
After T?ta is on his date with Kuromaru, he meets Kirie in the city but she does something that he doesn't expect which sets off a series of interesting events.
The story of T?ta's grandfather unfolds as his past seems to be shrouded by mystery. But will Tota's questions be answered?
A surprising rivalry of love between the girls ensues, as T?ta uncovers more about his cryptic grandfather's past.
T?ta's lackluster mood rapidly sharpens when he enters the Mahora Academy.
Yukihime unravels her stories of her fruitful past, while T?ta is entrapped in another world where his only power is his mind.
The time has come for T?ta to make his ever lasting decision but will it be the right choice?