Kasumi Todoh/Story

Art of Fighting 3
Kasumi is the daughter of Ryuhaku Todoh, the first opponent in the original Art of Fighting. Kasumi grew up learning the Todoh school of Aikido and Kobujutsu, taught to her by her father. As her family's sole heiress, she does all she can to stand up for the Todoh way. When Ryuhaku stayed at South Town to settle an old score with a man named Takuma Sakazaki, Kasumi remained in her house, waiting for her father's return. A couple of months later, she got some bad news: Ryuhaku had been defeated by Ryo Sakazaki, Takuma's son and hasn't been seen since. She decided to fight Ryo and anybody else in order to avenge her father. Unfortunately enough, her mother, Shizuko, did not like that idea. Eventually, she makes peace with him, and returns to Japan with her mother.

The King of Fighters series
Kasumi's life in this timeline is exactly the same as her Art of Fighting counterpart prior to the events of Art of Fighting 3.

The King of Fighters '96
Prior to the 1996 tournament, Kasumi is referred to the event by King. She greets and tests her other teammate, Mai Shiranui, through a short martial arts scuffle. Overjoyed to participate in a grand event with worthy teammates, she becomes a member of the new Women Fighters Team. After the tournament's conclusion, however, Kasumi continues to search for her father.

The King of Fighters '99
After she left to search for her father, Kasumi clashes with the antagonistic waitress, Xiangfei, before the 1999 tournament. By chance, King and Mary stop their fight and ask them to be their teammates.

The King of Fighters 2000
Kasumi is called by Yuri to be a member the next year and gracefully accepts.

The King of Fighters XI
Thinking to have spotted her father during the 2000 tournament, Kasumi remains unreachable until the eleventh tournament. Prior to the tournament she meets Eiji Kisaragi, a ninja who wishes to defeat Ryo. He offers her to join her, as he believes that Ryo's defeat at her hands will call her father towards her. One day, in a cafe, she and Eiji meet Malin; another fighter who also share the same rage against Kyokugenryu Karate. Thanks to her expertise in espionage, she discovered that Takuma Sakazaki was in the hospital, and was currently unable to train his students for the upcoming KOF tournament. Seeing their chance to defeat the Kyokugenryu students at their low point, they formed the "Anti-Kyokugenryu Team" in order to beat them. In their team's ending, Malin, Eiji, and Kasumi has arranged for a fight against the Kyokugenryu practitioners during Ryo Sakazaki and King's date, only for them to accidentally get caught in the wrath of an enraged King (due to Yuri, Takuma, and Robert Garcia's shenanigans' to get the two together as a couple).

The King of Fighters XIII
Although Kasumi does not participate in the thirteenth tournament, she does appear in the Women Fighters Team ending, where she is one of the many ladies who fight in the Pao Pao Cafe (much to Richard's dismay).

The King of Fighters XIV
Although Kasumi does not participate in the fourteenth tournament, Mai Shiranui did mention that she auditioned to join that year, but was left out in favor of Alice Nakata. She appears in the Women Fighters Team ending, where she challenges Ryo and Yuri in a food eating contest.