| Yaya Yuiki | |
|---|---|
| |
| Actor: | Tomoko Nakamura |
| Species: | Human |
| Gender: | Female |
| Born: | 25th May |
| Hair: | Auburn |
| Eyes: | Brown |
| Affiliation: | Federation Starfleet |
| Assignment(s): | helmsman |
| Stationed: | USS Enterprise |
| Occupation: | Starfleet officer |
| Rank: | Ensign |
| Insignia: | 
|
| Mother: | Unnamed Mother |
| Father: | Unnamed Father |
| Siblings: | Tsubasa Yuiki |
Yaya Yuiki was a Human Starfleet officer in the alternate timeline caused by the Romulan known as Nero. (Shugo Trek)
She was assigned to the reality's USS Enterprise following her graduation from Starfleet Academy.
She was good friends with and was (not so) secretly in love with Pavel Chekov.