| KIJI | |
| Airdate: | September 1, 2005 |
| City: | Tumon, Guam |
| Area: | Guam |
| Format: | Adult contemporary |
| Subchannels: | HD3: KUSG simulcast (News/Talk) |
| Erp: | 12,500 watts |
| Haat: | 89 meters |
| Branding: | Boss 104.3 |
| Class: | C3 |
| Owner: | Choice Broadcasting |
| Licensee: | Guam Broadcast Services, Inc. |
| Sister Stations: | KNUT, KUSG (AM) |
| Website: | https://boss104.gu/ |
KIJI, (104.3 FM) currently as Boss 104.3 is a radio station based in the village of Tumon in the United States territory of Guam inside the La Casa de Colina building. it broadcasts an adult contemporary radio format from the 1980s, 1990s and 2000s.
Radio station spins-off such as TenFour FM was sign-on from 2005 until 2012.
According to Pacific Daily News, the station signed on September 1, 2005, to provide news to Japanese tourists, who were currently staying on Guam. The station would also help Guam residents to learn Japanese language and culture. The branded station was FM104.
In late 2006, KIJI began programming a rhythmic-dance oldies format that they tout on-air as "Retro Radio" or "TenFour", which features classic party tunes from the 1970s, 1980s, and 1990s. The format proved to be a favorite with listeners, resulting in KIJI going full-time with the format.
On March 5, 2012, KIJI change as Boss 104.3, the station format as Classic rock radio.
In May 2016 KIJI switched back to classic hits. In 2021, KIJI switched into AC format.