Noah debe dejar su ciudad, novio y amigos para mudarse a la mansión de William Leister, el flamante y rico marido de su madre Rafaela. Por otro lado, con 17 años, orgullosa e independiente, Noah se resiste a vivir en una mansión rodeada de lujo. Allí conoce a Nick, su nuevo hermanastro, y el choque de sus fuertes personalidades se hace evidente desde el primer momento.
Un día la familia Little adopta a Stuart, un pequeño ratón al que tratan como si fuera un hijo. Los Little están encantados con la manera de ser de Stuart, pero George, su hijo mayor, no sabe qué hacer con su "nuevo hermano". Por su parte, Snowbell, el gato de la familia, urde un plan para echar a Stuart de casa para siempre.
Aunque Brennan Huff (Will Ferrell) tiene casi cuarenta años, sigue viviendo con su madre Nancy (Mary Steenburgen) y se conforma con conseguir, de vez en cuando, empleos esporádicos. Dale Doback (John C. Reilly), es un parado profesional de cuarenta años que vive con su padre, Robert (Richard Jenkins). Cuando Nancy y Robert se casan, los dos parásitos se ven obligados a compartir casa, pero, debido a su narcisismo y a su agresiva pereza se establece entre ellos una competencia que llega a enturbiar la relación entre sus padres.
Mitsuki y Yûya se convierten en hermanastros debido al matrimonio de sus padres. Mitsuki no termina de llevarse bien con su nueva familia y Yûya no sabe cómo acercarse a su nueva hermanastra. Un día, Mitsuki queda poseída por el espíritu de Hiyori. A Hiyori le gusta Yûya y cree que éste puede ayudarla a llegar al cielo. Hiyori le coloca un cinturón de castidad a Mitsuki y se lleva a cabo un plan para ayudar a enviar a Hiyori al cielo.
Rod Kimble (Andy Samberg), convencido de ser un auténtico especialista en saltos con moto, se prepara para realizar una gran hazaña: saltar con su moto por encima de 15 autobuses. Su objetivo es recaudar dinero para conseguir que su autoritario padre pueda operarse del corazón; pero lo que realmente busca es que la salud de su padre mejore para poder enfrentarse a él.
Zoey Stevens (Zendaya) es una chica de 16 años que tiene pasión por el baile. Su vida cambia cuando su madre se casa con un nuevo hombre y tiene que lidiar con tres hermanos revoltosos y un perro llamado Humfrey que hace su vida imposible. Un día Zoey se descarga una aplicación para domar a su nuevo perro, pero un fallo en el sistema hace que cualquier orden que da, la aplicación consigue que los chicos de su alrededor la obedezcan.
Rebelde e ingeniosa, Erica Vandross es una joven de 17 años que vive con su madre soltera Laurie y su nuevo novio Bob en el Valle de San Fernando, en Los Ángeles. Cuando el hijo mentalmente desequilibrado de Bob, Luke, llega de rehabilitación para vivir con la familia, Erica se ve abrumada. Con Luke y sus compinches Kala y Claudine a cuestas, Erica decide actuar y expone un oscuro secreto de Will, profesor de secundaria, con resultados muy peligrosos, pues se convertirá en un importante catalizador para que los adolescentes maduren de manera inesperada e impredecible.
El padre de "Snug" Dominy (Lon McCallister) ha vuelto a casarse con una mujer llamada Judith (Anne Revere) y ahora el muchacho vive amargado porque a ella la odia y con su hijo "Stretch" -mayor que él-, no ha conseguido llevarse ni un solo momento. Cuando su padre se marcha con ganas de tener nuevas aventuras en el mar, la suerte sonríe a "Snug" al proporcionarle la ocasión de hacerse con dos mulas que va a domar y a preparar para el trabajo, con la gran ayuda de su veterano amigo Tony (Walter Brennan)... y de paso, el amor también tendrá su lugar cuando esté más cerca de la linda Rad McGill (June Haver).
Cuando se les da la oportunidad de un nuevo comienzo, un joven afligido y su hermanastro, deben enfrentarse a un jefe de la mafia local y tal vez a algo aún más peligroso: su pasado.
Jerri Blank is a former prostitute and junkie whore who returns to high school as a 46-year-old freshman at Flatpoint High. Jerri ran away from home and became 'a boozer, a user, and a loser' after dropping out as a teenager, supporting her drug habits through prostitution, stripping, and larceny. She has been to prison several times, the last time because she 'stole the TV'. At home, Jerri's father Guy is comatose, although he seems perfectly capable of amazing feats. Her stepmother Sara is vain and bitter, and stepbrother Derrick is a bullying jock. Jerri tries to do things the right way but always ends up learning the wrong lesson. Her hijinks often involve, either directly or indirectly, neurotic history teacher Chuck Noblet and his secret lover, sensitive art teacher Geoffrey Jellineck.
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.
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!
This "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!
Ah, high school. Is there any better place to start fresh after a horrible middle school relationship? Nope! Not unless your ex ends up at the same school as you and is now your stepsibling. What was supposed to be a sanctuary of peace where I could avoid ever seeing her again has become a living nightmare! Everywhere I look, I see her—in my house, in my school, in my class. There's no escape! She even claims that she's the older sibling. Like hell she is! But I won't lose to her. After all, I'm the older brother in this new family situation. That's right, we're family now. No matter how much we may have thought we loved each other before, we saw one another's true colors and realized we weren't meant for each other. That's why even though we may keep up a buddy-buddy sibling act for the sake of our parents, things will never go back to the way they used to be.
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?
Su Yu’s simple high school life is turned upside down when his aloof stepbrother Wu Bi enters the scene—and a sudden accident unveils long-hidden secrets.
When their parents marry, two high school students become stepbrothers and navigate their relationship, turning from enemies into something more special.
Two high school students become entangled in a wildly conflicting emotional relationship that erupts when they discover they are now step-brothers.
Shen Nan and Gu Shi Wen fall in love after their parents' marriage, but fate stands in their way. Shen Nan defies time itself to protect their love.
After accidentally breaking a statue of the guardian god of the Asakusa district, middle school students Kazuki, Toi and Enta are transformed into kappas -creatures from japanese folklore- by Keppi, self-proclaimed prince of the Kappa Kingdom. If they want to regain their human form, they must collect the five Dishes of Hope for him, which fulfill the wishes of whoever possesses them. To do so, they will fight against the kappa-zombies and extract their "shirikodama", the mythical organ containing humans' deepest desires. Two policemen, Reo and Mabu, are the ones behind this evil scheme, turning humans into zombies as agents of the Otter Empire, enemy of the Kappa Kingdom since ancient times. In the guise of "Kappazon, Inc.", they control society by manipulating the desires of the masses for their own goals. To succeed in their mission, the boys must be connected through the "Sarazanmai", revealing their most intimate secrets in the process...
Cha Soo Hyuk and Lee Yoon Dae, once close, begin living together after Yoon Dae loses his home. Their cohabitation sparks shifts in their dynamic and emotions.
Child of divorced parents, Louis 12 years old, has two of everything - two homes, two sets of parents, two step siblings, two rooms and soon two personalities, because life feels pretty schizophrenic.
