I didn't encounter any minigames on my playthrough, so I didn't realize there were any... Perhaps there just aren't any yet on a submissive M/M route. Were you planning to make minigames a large part of the game?
I use minigames when I wanna replace randomness with something more player-controlled. But nah, I don't think there will be many. If the minigame is not good enough to be fun on its own then it's gonna become tedious very fast