Starting to get suspicious

I'm really struggling to put into words what has been going on. I am losing an entire buy in roughly every 300 hands for the last 20k hands. By no means am I claiming to be a great player. But this is 5nl and I am mostly losing to fish/whales. All my value hands seem to get sucked out on the turn or river and it's getting the point things are pretty suspicious.

I'm not saying the sites are rigged I know that isn't true. But I'm trying to think of some other way I could be getting cheated. Maybe 100 buy-ins below EV is just a normal downswing for 20k hands but it feels fishy.

I thought of maybe super users or bots but it doesn't seem right for 5nl.

Trying to think logically but I can't understand how I can run so poorly below EV for such a long stretch.

Yatahay Network - $0.05 NL (6 max) - Holdem - 6 players
Hand converted by PokerTracker 4

SB: 150.4 BB
Hero (BB): 541.6 BB
UTG: 124 BB
MP: 70.4 BB
CO: 111.2 BB
BTN: 48 BB

SB posts SB 0.4 BB, Hero posts BB 1 BB

Pre Flop: (pot: 1.4 BB) Hero has A♣ Q♣

fold, MP raises to 2 BB, fold, fold, fold, Hero raises to 12 BB, MP calls 10 BB

Flop: (24.4 BB, 2 players) 4♦ 4♥ A♥
Hero bets 8.4 BB, MP calls 8.4 BB

Turn: (41.2 BB, 2 players) 8♦
Hero bets 21 BB, MP raises to 50 BB and is all-in, Hero calls 29 BB

River: (141.2 BB, 2 players) 5♥

Hero shows A♣ Q♣ (Two Pair, Aces and Fours)
(Pre 65%, Flop 9%, Turn 5%)
MP shows 3♣ 4♣ (Three of a Kind, Fours)
(Pre 35%, Flop 91%, Turn 95%)
MP wins 134.2 BB