The Shiunji family with their seven children reside in a mansion within Tokyo’s Setagaya ward. The eldest son, Arata, is tired of being pushed around by his five sisters and daydreams of a life without them. That is, until Arata’s father reveals a shocking truth—Arata isn’t biologically related to his sisters! The siblings’ relationships will be tested as they navigate life in this new light.
At an elite Washington, D.C.-adjacent university, two ruthless step-siblings will do anything to stay on top of the cutthroat social hierarchy. After a brutal hazing incident threatens the entire Greek Life system at their school, they'll do whatever is necessary to preserve their power and reputation – even if that means seducing, the daughter of the Vice President of the United States.
High School student Sayuri is falling in love with Yui, the daughter of her father's fiancee.
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?
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.
Pete is a handsome, tall, white-skin guy and is followed by a lot of girls. But Pete is gay and is usually bullied by friends. So one day, when Pete was bullied by his friends, Ae appears and helps him. Then Ae accidentally becomes the “bodyguard” of Pete. Of course, Pete falls in love with Ae, but he decided to keep that secret in his mind because Pete knows Ae is not gay like him.
Billy & Billie centers on two young adults as they fall in love. They face the usual barrage of attention from their friends and family, and the normal anxieties that come at the start of a new relationship-all further complicated by the fact that they're stepbrother and sister.