Maria Lunalady Blackhazel is a beautiful genius with heterochromatic eyes. Oh, that and she's also the leader of a ruthless, multinational private military company that brings forth chaos and destruction. Known as the "Princess of Pure Darkness" around the world, she's the subject of many people's admiration, hatred and fear. But to the main character Siyoung, she's an irrelevant person living in a completely different world. That is, until one day she suddenly shows up and kisses him.
"I wanted to see you, Onii-sama..."
And just like that, Siyoung was given the world's greatest little sister.
The World's Greatest Little Sister has finished publishing and it has 36 Chapters. It is also Known as: 세계 제일의 여동생님, Sekaiichi no Imouto-sama, Sekaimo
Try our anime quiz: Anime Characters Guessing Quiz/Game
Top Light Novel Like The World's Greatest Little Sister [2026 List]
1. Eromanga-sensei
The "new sibling romantic comedy" revolves around Masamune Izumi, a light novel author in high school. Masamune's little sister is Sagiri, a shut-in girl who hasn't left her room for an entire year. She even forces her brother to make and bring her meals when she stomps the floor. Masamune wants his sister to leave her room, because the two of them are each other's only family.
Masamune's novel illustrator, pen name "Eromanga", draws extremely perverted drawings, and is very reliable. Masamune had never met his illustrator, and figured he was just a disgusting, perverted otaku. However, the truth is revealed… that his "Eromanga-sensei" is his own younger sister! To add to the chaos that erupts between the siblings, a beautiful, female, best-selling shoujo manga creator becomes their rival!
Eromanga-sensei is currently publishing and has Chapters. It is also Known as: エロマンガ先生, Ero Manga Sensei
