烈火 (rekka) an alt vocal

「１」- Hoshino Ichika (Alt. vocal)

Бежит река, в тумане тает.

[FULL] 絶え間なく藍色 Taemanaku Aiiro [Uniterrupted Ingo] / Vivid BAD SQUAD - Shishi Shishi

[ALT VOCAL.] The Snow White Princess Is- Minori Hanasato (Project Sekai: Colorful Stage)

YY - An Shiraishi ver. VIVID BAD SQUAD

World Lampshade Reunion- Honami Alt L/N

[FULL] Kanadetomosusora (カナデトモスソラ)- Kanade Yoisaki Alternate Vocal.

Blazing (烈火, Rekka) - Shiraishi An (白石 杏)

Neppuu - Yoisaki Kanade (alt. vocal) - Project Sekai! Colourful Stage, Happy 4th Anniversary!

脳内革命ガール (Nounai Kakumei Girl) /Brain Revolution Girl - Kohane Azusawa alternate ver. (Prokect Sekai)