Here’s weekly mora Anisong ranking.

mora Anisong original chart (13 〜 19 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 Red Breeze / Nana Mizuki 
Game :New generation rich anime RPG "COUNTER: SIDE" (counterside) Theme Song

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

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

#6 Sprechchor / Roselia
Smartphone game "BanG Dream! Girls Band Party!"

#7 Ungai Shōkei (Yearning to Be Above the Clouds) / Fantastic Youth
TV animation “World Trigger 3rd Season” Endning Theme

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

#9 Toumei Singer (The Transparent Singer) / Saori Hayami

#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/