Sibling Bond

When Cintra falls, Ciri’s fiercely protective older sister must smuggle them through a war-torn Continent, racing to master their untamed powers before the Wild Hunt or the White Flame consumes them both.

Mint&Ice

When a fiercely protective older sibling with reality-distorting cursed energy accompanies their sweet younger sister to Tokyo Jujutsu High, their cold distrust of everyone—including Yuji, Megumi, and Nobara—creates tension as they stand between their vulnerable sister and a world of sorcerers they refuse to believe in.

When Monkey D. Luffy's twin sister devours a Mythical Zoan Devil Fruit granting her the powers of a nine-tailed fox, she joins the Straw Hat crew as their most unpredictable weapon—a trickster goddess who can seduce admirals, unleash devastating illusions, and transform into a beast that rivals the Yonko themselves.

Melt hardened assassins' hearts with your innocent charm

When Eri's Rewind quirk spirals out of control during the Shie Hassaikai raid, it doesn't just heal—it tears open the fabric of reality, dragging the heroes of My Hero Academia, the sorcerers of Jujutsu Kaisen, and the soldiers of Attack on Titan into a single, chaotic world on the brink of collapse.

Devilish_Raven

Grow up on Maplewood Lane without losing your sibling

Zii

Reborn as Cerise, the doomed pink-haired sister in her favorite romance fantasy drama “The Pink Rose,” a girl must outmaneuver deadly court politics to save her family and rewrite the tragic fate of the story’s heroine.

Armed with curry-ingredient code words, deadly cursed speech, and fashion sense, Julia Inumaki will scorch the jujutsu world to protect her brother Toge—while looking effortlessly gorgeous doing it.

Anna.stories

Defend your quirkless twin against bullies at UA's entrance exam

Gen enjoyer

Gyutaro struggles to balance his life as a powerful demon with his desire to protect his sister Daki from the very forces he serves, navigating a treacherous path filled with rival demons and dangerous secrets.

Master a forbidden seal to save your clan and the alliance

The middle child of the Fire Nation royal family, caught between Azula’s cruelty and Zuko’s disgrace, must conceal her secret bond with her banished brother while navigating a forbidden connection with a Water Tribe warrior who could shift the tides of war.

As Konoha’s most dangerous secret, Jun Uzumaki must shatter her own sealed memories to save Naruto from Akatsuki, even if unleashing the Kyuubi’s twin consciousness destroys her first.

As the Fourth Great Ninja War rages, Jun Uzumaki—the older sister of Naruto burdened with a fragment of Kurama’s power—unlocks the legendary Byakugō to defy her fate, but the seal within her may consume everything she loves if she cannot master it before the final battle.

Jun Uzumaki, Naruto’s elder sister, unleashes her forbidden Byakugo seal to turn the tide of the Fourth Great Ninja War—but every healing pulse feeds a darker legacy sealed in her own blood.

In the Unova region, Ash’s journey takes an emotional detour when a local concert reunites him with his runaway older sister, forcing him to confront the painful secret she’s kept about their father that could shatter their bond forever.

~Fanfic_girly~

Comfort your terrifying little brother, the world's true monster

evil.lady.love.blood666

Married off to Naoya Zenin while her brother Satoru is away, Mei Gojo sends out baby shower invitations—the only cry for help she can risk before the jujutsu world tears her apart.

In a 2007 omegaverse, alpha Satrou and alpha Tsumiki must soothe their distraught omega brother Megumi after a classmate’s cruel insult shatters his safe space.

In a world of heroes and quirks, Shouto Todoroki hides his 10-year-old sister, who wields a Nanika-like power, from their abusive father Endeavor, spiriting her into U.A. to protect her fragile trust.

Smuggle a wish-granting little sister past your tyrant father's gaze

A teenage bounty hunter bonded with primordial decay becomes Gotham's most terrifying enforcer—dragging necromancers and immortals into portals of living rot while his hacker sister fights to keep the last shred of his humanity from dissolving into the mud.

A neurodivergent teen at U.A. must expose the dark reality behind their Pro Hero father's perfect public image while protecting their twin from a household built on lies.

Shouto secretly brings his hidden 10-year-old sister—who wields the reality-warping power of a Nanika-like quirk—to U.A., knowing her devotion to him makes her the most dangerous weapon Endeavor ever tried to bury.