so for full transparency, I'm the same one commenting on this issue on your Patreon, i did that to get a quicker response i guess.
now i did the same thing that i did in the previous build, i used the cheat to give Sunny the minimum amount of corruption to trigger the cutscene with the father and gain access to the Gloryhole (i believe is 20 and above) and then proceeded to spam the "service" until i reach the amount required to get the key to the secret level in the air dungeon, everything seemed normal until after 22 services i went and checked my corruption and it was over 3 thousand or something like that when i was only at 24 before the service. this bug somehow transferred to my other saves, so i deleted the saves files i transferred from 0.4 and started a new game, skipped the intro, used the cheat again to gain minimum corruption (15) defeated the first boss, got the bj scene with kiba, tried the church again this time with corruption of 21, gave one single service and checked the corruption counter and it didn't change, performed the service 10 times in a row and checked again the counter and it skyrockets again. (hope this helps and thank you)