The title basically says everything so let's get to it. Both fights take place Tokyo. The two groups are:
Fight 1:
- King Bradley (Fullmetal Alchemist)
- Shigure Kosaka (History's Strongest Disciple Kenichi)
- Akame (Akame Ga Kill!)
- Tanjiro Kamado (Kimetsu No Yaiba)
- Tatewaki Kuno (Ranma ½)
Fight 2:
- Roronoa Zoro (One Piece)
- Kenpachi Zaraki (Bleach)*
- Erza Scarlet (Fairy Tail)
- Yami Sukehiro (Black Clover)
- Yu Kanda (D.Gray-man)
- Kuromaru Tokisaka (UQ Holder)**
- Arthur Boyle (Fire Force)
Who wins each group?
*Everybody can see and interact with Kenpachi.
**Since Kuromaru is an immortal with a potent healing factor they can be defeated if somebody pins them down for 10 seconds.