Nau'Jour Lazier Grainger (born January 9, 2000),[1] better known by his stage name Toosii, is an American rapper, singer, and songwriter.

Beginning his career in 2017, he rose to mainstream prominence following the release of his 2023 single "Favorite Song", which first gained virality on the social media platform TikTok.

The song peaked at number 5 on the Billboard Hot 100, earned double platinum certification by the Recording Industry Association of America (RIAA), and preceded the release of his second studio album, Naujour (2023).

[9] His signing to Capitol was made on September 30, by Chris Turner (A&R) following the release of his official video for "Love Cycle" with Summer Walker.

His project Poetic Pain debuted at number 17 on the Billboard 200 chart in September 2020 and features the RIAA-certified gold single "Love Cycle" with Summer Walker.

[14] Just under a year later, on October 7, 2022, Toosii released his fourth EP, Boys Don't Cry which featured his TikTok viral, "Love Is..." alongside "Heartaches" which also gained traction on social media.

[24] The hit track served as the lead single (alongside "Love Is...") for Toosii's sophomore, self-titled studio album, Naujour.

Continuing off of his success, on November 3, 2023, Toosii released "Suffice", the lead single to his upcoming eighth mixtape, Jaded, which includes a guest appearance from the American pop rock band, LANY.