Itsuka has teal eyes and long, ginger hair, always worn tied into a high ponytail on the left side of her head, which reaches halfway down her back. Her bangs are split into three clumps around her eyes, and some of it sticks up in large tufts on the top of her head.
For her hero costume, Itsuka wears a blue knee-length qipao, over which she has a black double-breasted corset, ending just below her breasts, and she also sports black short pants under the qipao. She also wears a loose brown utility belt around her hips, a sachel attached at the back, a thin black domino mask around her eyes and white-heeled navy blue boots with wide vamps which reach down to her toes, filled in with white slips.
In her winter hero costume, she switches out her normal qipao for one with long sleeves, reaching down to her elbows.
Itsuka is a spirited girl who is thoughtful of others. She does not hesitate to criticize even her classmates if she feels what they are doing is not right, like whenever she karate chops Neito Monoma on the back of his neck to prevent him from antagonizing Class 1-A and the rest of Class 1-B. She is also willing to pass on opportunities that would benefit her if she feels other people deserve it better, shown when she let Tetsutetsu Tetsutetsu and Ibara Shiozaki participate in the tournament event of the U.A. Sports Festival in place of her team. Tetsutetsu has stated that because of Itsuka's cheerful personality, she can bring all of Class 1-B together, thus making her the "big sister" of Class 1-B.
Itsuka seems to also be friendly to people outside her class and seems to hold no signs of ill-will towards Class 1-A, making her a minority of the 1-B students. She has displayed sympathy towards others, even if she is not particularly close to them. She showed concern for Izuku Midoriya and Tenya Iida after hearing about their run-in with Stain and helped Class 1-A by telling them what was supposed to be on the First Term Final Exam's practical portion despite it being somewhat against the rules.
When in combat, Itsuka is calculating and shows that she is very intelligent. She is able to understand Mustard's Quirk, reckoning it to that of a tornado, and using that logic to determine the user's location. She is also able to use her own Quirk to dispel the gas Mustard makes, allowing her and Tetsutetsu to fight without the need for gas masks.
Overall Abilities: Itsuka has proven herself to be a highly formidable combatant, as her skills earned her 5th place in the U.A. Entrance Exam. She also has a great handle on her Quirk, Big Fist, which is used for close-range combat, as Itsuka has enough power to break through most defenses. The sudden expansion of her hands can be used to surprise foes, assuming they're not aware of how her Quirk functions, or increase the power of her attacks through the momentum of the expansion. Itsuka's enlarged hands are useful not only for combat, but as a method of transporting others and restraining opponents as well, making it convenient for rescues and criminal escorting. Someone wrapped by Itsuka's giant hands will become protected from certain hazards such as poisonous gas, albeit just temporarily.
She demonstrated her mettle when she held her own against Mustard, a B-Rank villain, while fighting alongside Tetsutetsu Tetsutetsu. Itsuka not only parried the gas-producing villain with her Quirk, but was able to use the strength increasing capabilities of her Quirk to generate enough wind to dispel the toxic gas that the villain created, and give Tetsutetsu an opening to defeat Mustard. Itsuka has shown to be quite capable at hand-to-hand combat, as she could incapacitate Neito Monoma with a karate chop. Her melee combat skills were further showcased during the Joint Training Battle, where she battled Momo Yaoyorozu, a recommended student. By using her combat prowess in conjunction with the increased strength that her Quirk provides, Itsuka was able to overwhelm Momo, and smash her way through the latter's defenses. While Momo did temporarily blindside her with a cannon, Itsuka was still more than capable of incapacitating the Everything Hero with her "Double Jumbo Fist" technique, although the recommended student did manage to tie herself to Itsuka before losing consciousness.
Keen Intellect: Itsuka is shown to be extremely intelligent and tactical, demonstrated when she theorized the location of Mustard and the pattern of his Quirk, Knockout Gas, and being able to figure out how to quickly dispel the villain's fumes. She has excellent analytical skills, a high sense of perceptiveness, and her stats prove that her intelligence is overall redoubtable. Tetsutetsu has even commented on how Itsuka has a quick wit, maintains a level head in situations, and can make the right decisions on the fly.
During the Joint Training, Itsuka demonstrated her incredible camaraderie and ingenuity, taking into account all of her teammates' strengths and weaknesses to effectively devise a two-fold plan for battling against the opposing team. He first plan of action was to have Shihai Kuroiro take control of Fumikage Tokoyami's Dark Shadow and launch a surprise attack. Itsuka knew that Fumikage would use Dark Shadow to scout out her team, and the opposing team would never expect any member of her own team to take control of Dark Shadow. When Shihai inquired as to what would happen if he failed at her strategy, Itsuka revealed an effective contingency plan. If the opposing team is focused on fighting him, they will have to use light to weaken him; and by taking advantage of that said light, not only will Dark Shadow be weakened as well, but the rest of her team will be able to pinpoint the opposing team's location, surround them, and go all out. Another part of her auxiliary strategy was to have Manga Fukidashi use his Quirk, Comic, to separate Momo from the rest of her teammates, knowing that the heroine is the opposing team's strategist. Itsuka figured that if she brings the match to her own area of expertise: close quarters combat, she would secure victory for her team.
However, despite her ingenuity, Shoto Todoroki realized there was a flaw in Itsuka's precautionary strategy in separating Momo from her teammates. He pointed out that if she really wanted to be cautious of Momo, then Itsuka would’ve had her entire team overwhelm the Everything Hero from the start of the match. This implies that Itsuka prefers to be more broad in her strategies rather than direct.
- Enhanced Strength: Itsuka appears to have strength greater than the average human since she can carry people and lift her enlarged hands without a problem, as seen in her fight against Mustard. Her enlarged hands grant her proportionally increased chopping and gripping strength. During the Joint Training Battle, she proved to be strong enough to easily crush Momo's shields made of tungsten, a metal significantly more dense than steel.
- Double Jumbo Fist (双大拳 Sōtaiken?): With both her hands at normal size, Kendo strikes her enemy with them, activating her Quirk just before impact to maximize damage.
Battles & Events
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