Yuko is primarily known as "The Dimensional Witch", however some other words to describe her are enigmatic, powerful and a highly fashionable sorceress. Of course her full name Yuuko Ichihara is an adopted name and her real name is unknown. After all if you know the name of someone you can control them. She's fun and respectful of all beings, being these kind or not and believes good and bad are concepts humans decide, which do not apply to the non-human. Though she acts sarcastic, bossy and annoying, it's quite evident that she cares far more than appearances dictate. She is kinder and more open to close friends that customers.

Yuko is the owner of a mysterious shop in Tokyo. She is a dealer in wishes as she will grant the sincere wish of anyone who is willing to make an appropriate sacrifice in return; the price is always equivalent to the weight of the wish, no more, no less. She is one of the few with the power to send people to multiple worlds. She is powerful enough to handle dangerous objects, protective seals and create powerful barriers to protect. Among her other abilities beside granting wishes or traveling dimensions, she can also create gods for other worlds and manipulate time.