Ibuki is a high school sophomore who becomes a self-appointed head of the Ikaruga family. She is popular at school due to her beauty. She becomes a maternal figure for the Ikaruga family since their parents went overseas at an early age.
She secretly likes Yoichi but is the first to attack him for no reason as well as circumstantial reasons, usually when it involves other girls. She is good at studies, sports, and martial arts. She is the Assistant Instructor of Ikaruga Dojo, which teaches Ukiha Kamikaze Swordplay.
There are only five students in her dojo due to her violent nature. However, she treats children in a maternal fashion. It is revealed in chapter 19.5 of the manga that her violent nature developed when her parents left Ibuki to look after her siblings at an early age. As the story goes after overcoming the hardships that her parent left for her thanks to Yoichi and her sisters she realizes she is in love with him.