- lonely call meYossie×BILLI (SИINKA) cover by M.&.C/🖤m.
- "Hood Sky's"KOBUKI&BILLI (Excedwave)【M.&.C】/c-ko♥
- Back In The MoveBILLI Feat M0saw0 cover by M.&.C/🖤m.
- kill in my versewrriten by Yossie&BILLI cover by M.&.C/🖤m.
- "FRESH BRAIN"TAMY&Yossie Feat BILLI【M.&.C】/c-ko♥
- -MASTERPIECE-BILLI Feat Rooke Track.by.THAIBEATS【M.&.C】/🖤m.
- - walk Remix -written by Rookey Remix by M.&.C/🖤m.
- "Honestly"wrriten by BILLI Feat TAMY /cover by M.&.C/🖤m.
- U P to Y URookey.Ft.怠惰rabb:t【M.&.C】/🖤m.
- Deejay Stylewrriten by Betta Feat. BILLI cover by M.&.C/🖤m.
- '泣きしゃっくり'words by Yossie feat TAMY&Rookey cover by M.&.C/🖤m.
- 消えないで 2021Yossie cover by M.&.C/M.&.C
- -walk- 2021Rookey cover by M.&.C/M.&.C
- Laugh Forward 2021written by Rookey×BILLI cover by M.&.C/M.&.C
- "Meltdown"Wrriten by Betta Feat. BILLI【M.&.C】/M.&.C