100NL FR Crypto

[2c] in CO, BB raises to $3, 5 of us see the flop [Jc][2h] $15

BB checks, MP ultra-donk ($90) bets $4, MP2 ($175) min raises, I ($116) call, button calls, BB folds, MP ultra-donk calls

Turn $48
Ultra-donk bets $31
MP2 min raises again (!)
I push
Button folds
Ultra-donk calls
MP2 calls, making a $336 pot

River

MP2 has [8d]
Ultra-donk, who called a PFR and bet the multiway flop and turn, called the turn raise all in with [4c]

Staggering... and to think I was worried about JJ or QJ!