[Unlimited Couples] + [Crossover Anime Power Level] + [Leveling Up Flow] + [Multiple Female Leads] + [Strong Female Lead First, Then Male Lead's Conquest]

The rating has just been released; it will likely increase later.

Qi Xia awakens the [All-Heavens Wife Gacha System], a gacha pool connecting female characters from all realms (anime, games, novels, movies, history, mythology, and even the real world). One gacha pull per day guarantees you a wife.

...

Many years later, Qi Xia stood at the pinnacle of the universe, looking down upon all living beings.

It's said that behind every successful man is a successful woman, and Qi Xia has billions of them.

Hakuno awakens the "Mutual Aid Space," connecting himself across countless worlds and sharing memories and abilities. Based on the "Grace" of the Mirage Realm, and incorporating the power of various worlds such as Demon Slayer Breathing and Red Slash, he transforms from a group of losers into a united front against crisis. Ultimately, on the path of "helping himself," he integrates the laws, achieves "self-unity," and creates a unique original world.

The World to Write

DanMachi, Demon Slayer, Akame ga Kill!, Heroic Knights, Inuyasha, Ga-Rei, High School DxD, Bleach, One-Punch Man, Campione, Guilty Crown, Strike the Blood, Type-Moon Garden

I was reborn into another world, starting as an unknown duke's son. I began to distinguish myself in my first year of university, developing a complicated relationship with a princess. I also discovered other transmigrators and learned about various cultures: beast-eared girls, elves, succubi, and, importantly, dragon knights. Ultimately, I built a nation in this other world where different races lived in peace.