Were Bosco Bosco and Luo Zhixiang participating in Extreme Progress? They were participating in the third issue of "Extreme Challenge Season 3"

The song they sang was "I" originally sung by Dawn "My Dear", the song was composed by Japan's Noriyuki Makihara. The original name of the song is もう爱なんてしない

The lyrics you mentioned are actually the Japanese "SAYONARA", which means goodbye.

"My Dear" is a single released by Lai Lai in 1992. It caused a huge sensation in the Hong Kong music scene in the early 1990s and is Lai Lai's classic song. The third issue of "Extreme Challenge Season 3" commemorates the 20th anniversary of Hong Kong's return to China, so this classic golden song is included in the track