[Crossover] Conquering a Sea of Stars with Su

So, there's this otome game on the market, and its heroine is a Mary Sue with color-changing hair and petals flying everywhere. You sigh, thinking how the little princesses who used to write Mary Sue fanfiction on forums must have grown up by now, then start the game, hoping it will give your long-dead girlish heart a little love and care. But... You realize you'll never remember the name that fills the entire dialogue box whenever you appear. You can't get used to the hair that changes color with your mood or the special effects that follow you around, and you definitely can't accept the setup where I treat you like a son, but you want to sleep with me... Still, that's okay. You really like the game's cheat features. With cheats, you set off on a journey across the stars, winning the hearts of cute girls across the seas and conquering underlings across all the worlds! The developers: Meow meow meow? What happened to winning people over? The romance options: Meow meow meow? What happened to dating? The heroine's body is that of a Mary Sue, but she's a snarky commentator who's obsessed with conquering the world and has no interest in winning over characters... If the other person is a cute girl, she might consider it a little.