Tomoyo Bones (born July 4, 2027 in Osaka, Japan) is one of the adoptive daughters of Louie and Joanne Bones and the vigintuplet sister of Takumi, Ayaka, Kenji, Mao, Ai, Yuki, Yoshi, Kenta, Yuta, Kouki, Sakura, Sota, Ku, Megumi, Miyu, Daito, Ren, Rina and Momoka.
Tomoyo is tall and slim with raven black hair with magenta highlights and light green eyes and white skin. She wears an orange dress, green tights and orange shoes.
Tomoyo is shy but charming.
- Father: Louie Bones
- Mother: Joanne Bones
- Brothers: Takumi Bones, Kenji Bones, Yoshi Bones, Kenta Bones, Yuta Bones, Kouki Bones, Sota Bones, Ku Bones, Daito Bones, Ren Bones
- Sisters: Ayaka Bones, Mao Bones, Ai Bones, Yuki Bones, Sakura Bones, Miyu Bones, Rina Bones, Momoka Bones
- Her full name is Tomoyo Katrina Bones
- She likes watching movies and reading
- She and her vigintuplet siblings are fans of Pokémon
Tomoyo marries Caleb Dann and has a daughter called Marianna, She works as a cartoonist.