Search of Genres for "mature"

Hypnotized Harem
I Appear to have been Reincarnated as a Love Interest in an Otome Game
I Became a Hero in a Pandemic
I Became the Strongest With The Failure Frame【Abnormal State Skill】As I Devastated Everything
I Beg You All, Please Shut Up
I Bought a Young Slave
I Chose to Fake My Death
I Don't Want to Be Loved
I Don't Want To Die in a Otome Game
I Don't Want to Regret
I Have a Mansion in the Post-apocalyptic World
I Have The Only Ero Knowledge In The World
I Made a Slave Harem Using a Charm Cheat in a Different World
I Raised A Black Dragon
I Transmigrated Into A Stunning Plaything!
I Use Semen in Another World and Live by Relying on Other's Power
I Was Reincarnated
I Wasn't Born Lucky
I Woke Up Naked After Crying Myself to Sleep ~The Three Doting Dukes and The Ice Knight~
I Woke Up Pregnant With An Undead's Child
I'll Quit the Empress
I'm in Hollywood
I'm Pregnant with the Regent's Baby
I'm Really a Villain
I'm Sorry For Being Born In This World!
I'm Sorry for Getting a Head Start but I Decided to Live Everyday Erotically
I'm The Vicious Cannon Fodder In The Book
I've Became Able to Do Anything with My Growth Cheat, but I Can't Seem to Get out of Being Jobless
I've Been Taken to Another World Since I've Gone and Tried Playing With the Little Girl Compilation
I, Who had Arrived in Another World, Will Live As I Like With My Hypnosis Ability (The Girls who will become Lewd Female Toilets)
Iceberg Man's Prey
If You Are a Dodder Flower
If You Got the Power of Flight, Invisibility, and Teleportation, What Would You Do?
Illusion
Illusion (Lan Lin)
Immoral Holidays
Immortal's Farmland
Imperial God Emperor
Impregnable Dreadnought
In a Different World with a Smartphone
In a World Where Beauty is Reversed, a Harem Only for Me
In Dreams
In the Snow
Indulging in Carnal Desire
Infinite Evolution
Infinity Armament
Inma no Hado
Inside the Cave of Obscenity
Instant Death
Intense Radical Behaviors