RTP and house edge describe the long-run maths, not what you’ll get back in one...

https://nova-wiki.win/index.php/Why_Do_People_Chase_Losses_If_the_Expected_Value_Stays_Negative%3F

RTP and house edge describe the long-run maths, not what you’ll get back in one session: a game with 96% RTP has a 4% house edge on average over many plays