The world says I am incompetent, but who knows that I am actually the greatest swordsman in the world? What does it matter to me if I am a son-in-law, let's see my sword sweep the world and break the sky!

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Kimihiro Watanuki is a young boy with a cursed gift. He has the ability to see evil spirits, and somehow they seem attracted to himself. One day he meets a misterious woman who names herself Yuuko. She claims to have the means to end his torment, but she never works for free, and she wouldn’t help him until he works for her enough to pay for her services. Thus he starts to work in her shop and discovers that in that place, nothing is what it seems. Genre: Comedy, drama, fantasy, horror, mystery, psychological, slice of life, supernatural, ghosts, occult

Watanuki Kimihiro can see spirits and other assorted supernatural creatures, which is quite a bothersome ability he strongly dislikes. On the way home one day, while plagued by some spirits, he is inexplicably compelled to enter a strange house. There, he encounters Yuuko, a mysterious woman who claims to be able to rid him of the ability to see and attract the troublesome creatures – for a price. She demands that he work at her “store” that grants wishes to people, and thus begins Watanuki's adventures through weird and wonderful events.

Kimihiro Watanuki is a young boy with a cursed gift. He has the ability to see evil spirits, and somehow they seem attracted to himself. One day he meets a misterious woman who names herself Yuuko. She claims to have the means to end his torment, but she never works for free, and she wouldn’t help him until he works for her enough to pay for her services. Thus he starts to work in her shop and discovers that in that place, nothing is what it seems. Genre: Comedy, drama, fantasy, horror, mystery, psychological, slice of life, supernatural, ghosts, occult

Summer break has arrived, but while his other classmates are out having fun, Kimihiro Watanuki continues to work as compensation for the eccentric Yuuko in her shop. With the spirits and supernatural phenomena that bother him lessening, he pays his dues by cleaning, cooking, and doing whatever else the apparently lazy Yuuko needs. Watanuki, however, gets involved in a new predicament when Yuuko receives a mysterious invitation to a mansion whose owner seeks Yuuko's wish-granting ability. When he, Yuuko, and his classmate Shizuka Doumeki make their way to the peculiar residence, they meet others who were summoned by the same strange invitation. All of them are collectors of various unique items, drawn there by the chance to expand their collections. But as the collectors begin to disappear one by one, Watanuki and his companions must solve the mystery and put the case to rest, or find themselves in risk of danger.

10 years after the events of xxxHOLiC Shunmuki, a melancholic Kimihiro Watanuki has taken over the shop formerly run by the mysterious Yuuko due to a promise he made to her. His companions Maru, Moro, and Mokona live together with him in relative contentment, and some familiar faces arrive every now and then: former rival turned-steadfast friend Shizuka Doumeki, and the former psychic prodigy Kohane Tsuyuri. While Kohane studies folklore under Doumeki at university, they encounter a case that is perfect for the master of the shop. Eventually, Watanuki receives a visit from Doumeki's grandfather, Haruka. He requests that Watanuki investigates his grandson's dreams. While inside the dream world, he discovers how their past adventures played out from Doumeki's perspective of view, leading Watanuki to discover truths from 10 years ago and secrets about the ties that bind their friendship.

Kimihiro Watanuki is a young boy with a cursed gift. He has the ability to see evil spirits, and somehow they seem attracted to himself. One day he meets a misterious woman who names herself Yuuko. She claims to have the means to end his torment, but she never works for free, and she wouldn’t help him until he works for her enough to pay for her services. Thus he starts to work in her shop and discovers that in that place, nothing is what it seems. Genre: Comedy, drama, fantasy, horror, mystery, psychological, slice of life, supernatural, ghosts, occult

Yuuko receives a letter from an unknown sender. It is an invitation to an auction. Seven avid collectors were invited to an old mansion. They all admit that they accepted the invitation to complete their collections. They waited for the host, but he does not make an appearance. And one by one the collectors disappear. The strange host and a mysterious girl. A night where odd things happen one after another. What is being auctioned? Who is the host? The cunning and foolish people who are obsessed with "possessions" and the host's "timeless" passion. What is waiting at the end of this enigmatic series of riddles? And what is the conclusion of the sad love story behind them? Mystery leads to mystery, and reaches the unexpected!