Here are Unarchived Karaoke Streams by Ruze and Abi.
Mega Link - Crimzon Ruze - 【KARAOKE】UNARCHIVED KARAOKE! Idol Training Arc-cstu8cXXxC4-20240131
Mega Link - Abi Kadabura - [Unarchived] First Original Song Celebration! _ VTuber Karaoke【V4Mirai _ Abi Kadabura】-4vy7pzuOuIA-20240131
Mega Link - My Archived Videos
Mega Link - Crimzon Ruze - 【KARAOKE】UNARCHIVED KARAOKE! Idol Training Arc-cstu8cXXxC4-20240131
Mega Link - Abi Kadabura - [Unarchived] First Original Song Celebration! _ VTuber Karaoke【V4Mirai _ Abi Kadabura】-4vy7pzuOuIA-20240131
Mega Link - My Archived Videos