A new idol in the virtual world.
Uiha made her debut on 28 July 2019.
On 30 December she revealed her new outfit and hairstyle.
On 11 April she participated in Nijisanji's Singing Stream Relay.
On 4 June she revealer her 2.0 modeling.
On 25 June she revealed her new outfit and hairstyle.
On 9 April, it was announced that Uiha would receive her 3D model. It will be revealed on 17 April. She debuted her 3D model on the 17 April.
- Uiha calls her fans ういふぁん (Ui-fan)
- Units within Nijisanji:
- She shares the same character designer with Chae Ara.
- Color: #324CAC 
- Aiba has poor eyesight, she cannot see anything with the naked eye. She wears daily contact lenses or glasses sometimes. ( Aiba's contact lenses frequency is 3.25 left and right )
- She is extremely good at Mario Kart, to the point where she holds multiple records for fast times on the game.
- 相羽ういは〖Aiba Uiha〗にじさんじ所属 - YouTube channel
- Aiba's corporate profile on the official Nijisanji website
- 相羽 ういは🍮💎 - Twitter account
- 相羽ういは (あいばういは) - Unofficial Nijisanji wiki
- 시이나 유이카 - Namu Wiki