Here’s weekly mora Anisong ranking.

mora Anisong original chart (6 〜 12 December.​ 2021)
 

#1 Zankyosanka (Song of Reverberation) / Aimer
TV animation “Demon Slayer: Kimetsu no Yaiba Entertainment District Arc (Kimetsu no Yaiba: Yūkaku-hen)” Opening Theme

#2 Ichizu (The Only Way) / King Gnu
Film “Jujutsu Kaisen 0: The Movie (Gekijō-ban Jujutsu Kaisen 0)” Theme Song

#3 Akeboshi(Morning Star) / LiSA
TV animation “Demon Slayer: Kimetsu no Yaiba Mugen Train Arc(Kimetsu no Yaiba: Mugen Ressha-Hen)” Opening Theme

#4 Shirogane (Silver) / LiSA
TV animation “Demon Slayer: Kimetsu no Yaiba Mugen Train Arc(Kimetsu no Yaiba: Mugen Ressha-Hen)” Ending Theme

#5 STONE OCEAN / ichigo from Kishida Kyōdan & The Akeboshi Rockets
TV animation “JoJo's Bizarre Adventure: Stone Ocean(JoJo no Kimyō na Bōken: Stone Ocean)” Opening Theme

#6 Secret Mirage(M@STER VERSION) / Yukari Mizumoto (CV. Akane Fujita),Sae Kobayakawa (CV. Ricca Tachibana) 
THE IDOLM@STER CINDERELLA GIRLS

​#7 Pavé Étoiles / Café Parade
THE IDOLM@STER sideM

#8 BOY / King Gnu 
Fuji TV's programming block Noitamina’s TV animation “Ranking of Kings (Ōsama Ranking)” Opening Theme

#9 Cry Baby / Official Hige Dandism
TV animation “Tokyo Revengers” Opening Theme

#10 Yuke (go) / LiSA
Film “Sword Art Online the Movie -Progressive- Aria of a Starless Night (Hoshi Naki Yoru no Aria)” Theme Song

This ranking is provided by http://mora.jp/