Shows Like Nakaimo: My Little Sister Is Among Them!
If you loved Nakaimo: My Little Sister Is Among Them!'s Drama and Animation storytelling, these series deliver a similar experience — chosen for tone, narrative quality, and viewer satisfaction. Each includes where to stream it now.
★ Top Picks

Yosuga no Sora
Kasugano Haruka and his sister Sora have lost both their parents in an accident, and with them all their support. They decide to move out of the city to the rural town where they once spent summers with their late grandfather. At first everything seems familiar and peaceful, but changes come as Haruka starts to remember things from his youth.

Oreimo
Oreimo follows the daily life of an ordinary high school boy named Kyousuke Kousaka. Kyousuke’s younger sister Kirino is a pretty fashion model, but also hides a dark secret of being an otaku of adult games. Kyousuke is the only person to whom Kirino reveals her hidden obsession and other issues.

KissXSis
The story begins with Keita Suminoe, a male third-year junior-high school student studying for his high school entrance exams. He is living in a home with his older twin stepsisters, Ako and Riko, who share no blood relation to him, and they help him prepare for his exams. Even though he initially dislikes himself for it, he begins to become attracted to his two step-sisters, and his two parents encourage him to eventually get married to one of them.

Please Twins!
Maiku Kamishiro grew up in an orphanage with no history of his family or of his past. Left with only a childhood picture of himself and another person in front of a house, he believes that the other person in the picture is his long lost twin sister. Upon discovering his old home, two young girls show up on his doorstep one day both claiming to be his long lost sister.

Toradora!
It’s Ryuji’s first day as a junior in high school and it seems as if things are looking up. He gets to sit in between his only friend, Yusaku, and, more importantly, the girl he’s secretly crushing on, Minori Kushieda. But just when he thinks the stars are aligned in his favor, he unwittingly crosses the most feared girl in school, Taiga Aisaku, making her onto his arch enemy. To top it off, Taiga has moved in right next door to Ryuji and happens to be Minori’s best friend! Can this school year possibly get any worse?!

A Sister's All You Need
Itsuki Hashima is a light novelist obsessed with little sisters, strictly focusing on them when he writes his stories. Despite his personality, he's surrounded by a tight circle of friends, including a beautiful genius writer who loves him, a big-sisterly college classmate, a fellow male writer, a sadistic tax accountant, his editor, and Chihiro, his perfect younger step-brother who takes care of the housework and cooking. As the story progresses, the underlying conflicts of dreams and goals surface, as each character attempts to achieve their dreams, in their own way.

Rent-a-Girlfriend
Kinoshita Kazuya is a 20-year-old failure of a college student. He managed to kiss his girlfriend once, but was dumped after a month. Completely spiteful, Kazuya uses a certain method to date a girl. He goes to their meeting place and a beautiful girl brushing her long, black hair behind her ear was there, smiling at him. Her name was Mizuhara Chizuru. Something real is born after just a single rental! A reckless rom-com filled with love and excitement is about to begin!

Love Flops
Asahi Kashiwagi lives the typical life of an average high school student — until the day a TV fortune teller’s predictions come true one after another, culminating in a series of risqué encounters! Destiny seemingly draws five beautiful girls into Asahi’s path, and soon he finds himself fielding not one, not two, but five love confessions. Asahi will need to follow his heart to find the perfect love for him, or else his love fortunes may end in one epic flail and flop.
More Shows Like Nakaimo: My Little Sister Is Among Them!

Tsugumomo
Kazuya Kagami never goes anywhere without the precious "Sakura Obi" his mother gave him. One day a beautiful, kimono-clad girl named Kiriha appeared before him. Kiriha naturally began to live with Kazuya in his room. Then there's Chisato, Kazuya's childhood friend with glasses and a ponytail, who meddles in his affairs. Soon there's also an overprotective older sister who seems to want to take baths with him. Jumble in a huge-chested priestess, a good-looking sorceress named Kokuyoura, beautiful women, and hot girls, and Kazuya's happy, embarrassing, confusing life begins…

Domestic Girlfriend
Natsuo is a high school boy who is experiencing the crushing despair of unrequited love. To make matters worse, the person he is in love with is his teacher, Hina. In an attempt to lift his spirits, he attends a mixer where he meets a girl named Rui. The two sleep together, expecting never to see one another again, but fate has other plans. His life suddenly becomes more complicated when his father comes home and announces he has remarried a woman with two daughters whom Natsuo has met before: Hina and Rui!

OniAi
Adorable young Akiko is thrilled to be reuniting with Akito, the handsome older brother she hasn’t seen in years! In fact, she might be a little too excited about living under the same roof with her precious big bro. This pint-sized cutie has a serious brother complex, and she’s definitely not interested in sharing his attention. Unfortunately for little sister, she and Akito won’t be living alone: three gorgeous girls from the student council will be along for the ride! So much for the peaceful existence Akito was craving. Big Brother the dreamy will have to stay on his toes to avoid the advances of Sis and her ravishing rivals!

Kanon
Yuichi hasn’t seen his cousin Nayuki in years. Now that he’s back, all knowledge of ever visiting has vanished. He tries to adjust to the vaguely familiar surroundings, but the gaps in his memory haunt him as time grows short. The pieces of the puzzle have appeared – an eerily silent beauty with blazing tresses, the mysterious girl with the winged backpack, and the sword-wielding demon slayer – but it’s up to Yuichi to discover how they fit together.

Days with My Stepsister
When his father remarries, Yuta Asamura winds up sharing a roof with his new stepsister, Saki Ayase, the hottest girl in his grade. Carrying the scars of their parents’ troubled divorces, they vow to maintain a respectful distance. But what starts as cautious camaraderie blossoms into something deeper from shared experiences. Is it admiration, familial love, or something more?

To LOVE-Ru
The story is about Rito Yuuki , a high-school boy who cannot confess to the girl of his dreams, Haruna Sairenji. One day when coming home and sulking in the bathtub a mysterious, nude girl, appears out of nowhere. Her name is Lala and she comes from the planet Deviluke, where she is the heir to the throne. Her father wants her to return to her home planet so she can marry one of the husband candidates, but she decides that she wants to marry Rito in order to stay on Earth.

Bokura ga ita
Nanami Takahashi is a high school student entering her first year. Immediately on her first day however, she becomes the victim of a practical joke by the school's most popular guy, Motoharu Yano, who coincidentally also ends up in her class.

The Dangers in My Heart
Kyotaro Ichikawa, a boy barely clinging to the bottom rung of his school's social ladder, secretly believes he’s the tortured lead in some psychological thriller. He spends his days dreaming up ways to disrupt his classmates' peaceful lives and pining after Anna Yamada, the class idol. But Kyotaro's not nearly the troubled teen he pretends to be…and it turns out Anna's a bit odd herself!

Ranma ½
Ranma Saotome, a teenage martial artist, and his father Genma travel to the 'cursed training ground' of Jusenkyo in China. There, despite the warnings of the Chinese guard, they fall into the cursed springs. From now on, whenever Ranma is doused in cold water, he turns into a girl and a cute, well-built redhead at that. Hot water changes him back into a man again, but only until the next time. To make matters worse, his father engages him to Akane Tendo, a girl who hates boys.

Eromanga Sensei
Masamune Izumi is a high school student who writes light novels. Sagiri Izumi is an antisocial girl who never leaves her room. A year ago, she became Masamune's stepsister. But one day, Masamune discovers a terrifying revelation: the artist “Eromanga-sensei,” who illustrates his novels, is none other than his sister Sagiri! His antisocial little sister, who lives under the same roof as him, uses a spicy pseudonym and draws obscenities?!

His and Her Circumstances
In His and Her Circumstances, like a drug, Yukino Miyazawa was addicted to admiration and praise from those around her. She worked hard to become the perfect student, the perfect girl. But that was before… him. Souichirou Arima. The instant she met him, she hated him. Without even trying, he snatched the very glory from her hands by easily acing the high school entrance exam that should have made her the class representative. To take back what is rightfully hers, Yukino is putting all her efforts into plotting her revenge – but was love part of the plan?

Nisekoi
Raku Ichijo is an average high school student. He also happens to be the sole heir to the head of a Yakuza Family called the Shuei-gumi. 10 years ago, Raku made a promise… a secret promise with a girl he met. They promised one another that they will “get married when they reunite.” Since then, Raku never let go of the pendant the girl gave him.
Why These Shows Are Similar
These recommendations share core qualities with Nakaimo: My Little Sister Is Among Them! (2012): Drama and Animation themes, similar pacing, and comparable production quality. NoBadPicks uses TMDB collaborative filtering, genre matching, and AI analysis to surface series most likely to resonate with fans of Nakaimo: My Little Sister Is Among Them!.
See full details for Nakaimo: My Little Sister Is Among Them! (2012)