EDIT
Jan - Power [Chainsaw Man] can’t remember her name 😅
Feb - Rias Gremory [High School DxD]
Mar - Osaragi [Sakamoto Days]
Apr - Yuno Gasai [Future Diary]
May - Mereoleona Vermillion [Black Clover]
Jun - Sakura [Naruto]
Jul - Ferris [Re:Zero]
Aug - Vermeil [Vermeil In Gold]
Sept - Yor [Spy X Family]
Oct - Seiko Ayase [Dan Da Dan]
Nov - Ragyo Kiryuin [Kill la Kill]
Dec - Makima [Chainsaw Man]
I’m not going to give any indicator of my birthday on here. But out of all these? I’d want Rias. She comes as a package deal with several others