Sayo

Sayo (サヨ) is a character in Digimon World Dawn and Dusk and is Koh's main rival. She is either the protagonist or rival to the protagonist, depending on game.

She has two designs, one as a member of Night Claw and one as a member of Light Fang. Her design as a member of Light Fang is considered, however.

She is partnered with, , , and her NaviDigimon , although she also acts as a stand-in Tamer for SkullScorpionmon, , , , , and while heading "Team Moonlight". Since WaruSeadramon is exclusive to Dawn, Sayo is canonically the rival of Dawn, rather than the protagonist of Dusk.

Appearance
Sayo is a girl with lightly tanned skin, waist-length light purple hair, and purple eyes. She wears black eye goggles over a purple hat with two points that resemble cat ears coming out of it, a turtlenecked dark blue shirt, a black jacket with long sleeves and a purple bandana on her left arm, a black skirt, blue and black striped stockings, and black and pink sneakers. She also carries her Digivice on a necklace.

Etymologies

 * Sayo (サヨ)
 * Ja: "Sayo" (小夜).

Digimon World Dusk
Sayo, member of Night Claw, wins the Normal Tamer Tournament and then deals with the problem.

Digimon World Dawn
Sayo, member of Light Fang, wins the Normal Tamer Tournament and then deals with the problem.

Sayo first faces Koh during the Normal Tamer Tournament. However, she is the only Night Claw Tamer to not fall under the ChronoCore's control, although she is confused when her possessed teammates attack Koh during the "Night Crow Assault" quest, and initially challenges him to battle to punish him for "hurting her friends". Afterward, she escapes Darkmoon CITY and allies with Light Fang to save her team, even battling Kowloon Co. with them. They use her Digivice to create an access portal to Darkmoon CITY, and she even lends Koh her Digivice to help him pass through. She eventually attains the rank of Platinum Tamer, and faces off against Koh in the Legendary Tamer Tournament.

Digimon Story: Super Xros Wars Red and Blue
Sayo is fought in the Gold Tamer Match and leads Team Moonlight (ムーンライト).

Digimon Story: Cyber Sleuth
When Sayo and killed the Seven Deadly Digimon in her own universe, a curse from defeating them caused Dianamon to be sealed away, as well as making every other set of Deadly Digimon more powerful in every other universe. Seeking help, Mirei Mikagura came to her aid, causing Sayo to dimension hop into the Cyber Sleuth universe. Mirei then tasks Aiba to kill the Seven Deadly Digimon from the Cyber Sleuth universe to free Dianamon. After Aiba defeats the Seven Deadly Digimon to free Sayo's Dianamon, Mirei states that Aiba too will have their Digimon banished as punishment for defeating the Deadly Digimon. Instead however, Mirei states that she "forgives" Aiba, because she specifically wanted it to happen so she could collect the evidence of sins. She merges them all together to create a, which she then has attack Aiba and Sayo. The duo however, are able to defeat and kill the Monzeamon. Mirei is upset at her 'Ultimate Digimon's' death, as she intended for her Monzaemon to bring new values to the world.

Sayo and Dianamon also take part in the Master Cup.

Digimon Story: Cyber Sleuth - Hacker's Memory
Sayo is one of the avatars that can be used in online mode to replace Keisuke Amasawa. It has to be bought from the online store using coins won from online battles, during the March of each year.