Ōi Katsushika

Ōi Katsushika (葛飾応為) is the daughter of Hokusai Katsushika and friend of the Gutai Group. She is a Talent user with the Talent named Beauty Fulling Cloth in the Moonlight.

Appearance
Ōi is a young girl with shoulder-length purple hair and red eyes, she often wears a floral hair clip which she places on the left side of her hair. She also has pale skin due to her rarely going out of her estate.

Ōi's outfit consists of a purple yukata with pink and turquoise linings, she also wears white stockings and a pair of wooden sandals.

Personality
Ōi is a cheerful person somehow always finding the good side of things in the most difficult of situations, she also keeps an image of a dignified and graceful lady but at the same time energetic and peppy. Ōi enjoys exploring and meeting new people which was how she originally met the Gutai Group at their school. Her father's various contacts also gives her a large insight into the world of Talent users.

Ōi also enjoys teasing her friends, especially Saburo Murakami. She also shares a close friendship with Jiro Yoshihara and Yuko Nasaka, she is particularly attracted to Jiro's always calm and collected personality and Yuko's no-nonsense attitude. Ōi also has problems expressing her emotions to the fullest extent, especially negative emotions which is why she dislikes looking at things in a negative light.

Talent
Main Article: Beauty Fulling Cloth in the Moonlight

Beauty Fulling Cloth in the Moonlight (月下砧打美人図) is Ōi's Talent which turns any cloth within skin contact or held Ōi indestructible.

Background
Daughter of Hokusai Katsushika, Ōi herself is a well-trained Talent user studying under her father. Because of her rare defensive Talent, however Ōi is very rarely let out of the house other than going to school. She eventually made friends with the members of the Art Club, specifically, the members of the Gutai Group before they formed the group. Because of her sheltered upbringing, she is rather naive and is always happy to meet new people. She considers the members of the Gutai Group and Rembrandt van Rijn to be her closest friends.

Gutai & the House of Wolves
Jiro quickly contacted Ōi after the incident, she immediately took the members of the Gutai group to come to the Katsushika Household to discuss the matter with her father, Hokusai. After meeting, her father suggests that they call a friend of the family, Rembrandt, to help with the case. Once the detective arrived, they went out to the Gutai's headquarters to see the criminal which was revealed to be a mafioso who Rembrandt met before named Kyōsai Kawanabe. Rembrandt's Talent, The Night Watch, they tracked him down to an abandoned building where the group faces off against him.

Appearances
{{Appearance|Chapters=

Gutai & the House of Wolves
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 * Chapter 1 - Blood
 * Chapter 2 - The Night Watch
 * Chapter 3 - Dance of a Pair of Lions, Part 1
 * Chapter 4 - Dance of a Pair of Lions, Part 2
 * Chapter 5 - Q: Are We Not Painters? A: No We Are The Mangaka Guild!
 * Chapter 9 - Counterstroke