Ai is a Mii from the Wii.
Ai originally appeared as one of the 60 CPU Miis to be included with Wii Sports. Since then, she's appeared in Wii Sports, Wii Sports Resort, Wii Party, Wii Music, Wii Fit, Wii Fit Plus, and Wii Fit U. In most of these games, her internal ID is 016, however in Wii Music it is 56. Her Mii data filename is cpu_mii_016.rcd in Wii Sports, mii_016.rsd in Wii Sports Resort, Wii Fit, and Wii Fit Plus, mii_016.ffsd in Wii Fit U, and is cpu_mii_db56.rsd in Wii Music. Wii Party combines all 100 Mii data files into one larger file named mii_rsd.bin in the same ordering as Wii Sports Resort.
As with every CPU Mii, she has Mingling turned off. Her Mii name in her Mii data file is あい. In her Wii U/3DS-format Mii data file, she was originally created on a Wii (1).
Her Mii data file does not contain any unused data.
In Wii Music, her Mii data file is slightly different. While it's mostly the same as it is in Wii Sports Resort, it now includes a filled out Mii ID and console ID. Her Mii ID is 80-4f-99-5c and her console ID is c2-3d-21-af. Her Mii ID tells us she was created on August 30, 2006 at 12:13:36 PM.
According to a September 2020 Nintendo leak about CPU Miis, Ai's nationality is Japanese (Asian).
In the files for Wii Sports, her dominant arm for Baseball (Batting) is right-handed, Baseball (Pitching) is right-handed, and Tennis is left-handed. Her unused dominant arm for Boxing is right-handed. Her Baseball Pitching style is normal. She's ranked 31 in Baseball, 55 in Boxing (meaning she doesn't appear in Boxing), and 20 in Tennis. Her group IDs are 6, 0, and 1.
In the files for Wii Sports Resort, her Wii country ID is 1, like all CPU Miis. Her dominant arm for Table Tennis is right-handed. She's ranked 10 in Swordplay, 46 in Basketball, 19 in Table Tennis, and 74 in Cycling. Her unused Canoe and Debug ranks are both 16, matching her ID value of 016.
In Wii Party's Friend Connection game, the default score rankings establish a relationship between Chris (Wii) and Ai, with them being 9th in the worst pairs category at 44 points (Companions).
Ai unfortunately does not appear in any promo art released.
Wii Mii instructions provided by MiiCharacters.com! It couldn't be done without their site!
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This Mii originally appeared on the Wii!
Here's how to recreate them on the Wii:
Names in other languages
USA English: Ai
USA French: Ai
USA Spanish: Ai
PAL English: Ai
PAL French: Ai
PAL German: Ai
PAL Italian: Ai
PAL Spanish: Ai
JPN Japanese: あい (same as in Mii data file)
KOR Korean: 예리 (Yeri)
CHN Taiwanese: Ai
Source: Wii Sports Resort