Your source for brother and sister love
Apollo, in his reincarnation as Phoebus Abel, intends to purge all humans on Earth because he sees them as evil beings. He also wants his sister Athena, the protector of Earth (currently incarnated as Saori Kido), to be by his side.
From the anime series Saint Seiya: Shinku no Shounen Densetsu (Saint Seiya: Legend of Crimson Youth)
Brandon is a sex addict whose personal life starts unraveling when his carefree younger sister, Sissy, starts living with him.
From the movie Shame
Children of the Madrigal family are granted special abilities. Pepa’s mood can affect the weather, Bruno can see into the future, and Julieta can heal physical ailments with her cooking.
From the movie Encanto
Yuu Setoguchi watches out for his younger sister, Hina, when she’s troubled, and she looks up to him.
From the anime series Suki ni Naru Sono Shunkan wo. Kokuhaku Jikkou Iinkai (The Moment You Fall in Love)
When their dog disappears one day, Toriyasu and his little sister, Meeko, are unexpectedly brought to a world populated by cats in order to retrieve him.
From the anime movie Totsuzen! Neko no Kuni Banipal Witt (Catnapped!)
Reynolds Woodcock is a renowned dressmaker who is very regimented in how he goes about living, and his sister Cyril is his business partner and confidante. Together, they manage to live a fine life.
From the movie Phantom Thread
Agents Gary Giggles and his little sister, Gerti, view themselves as better than their fellow agents and rivals, the Cortezes.
From the movie Spy Kids 2: The Island of Lost Dreams
After the disappearance of her beloved mother, Enola Holmes must figure out what she wants to be while also dealing with her older brothers, the strict Mycroft and the distant Sherlock.
From the movie Enola Holmes
Mikiya Kokutou investigates supernatural cases and spends so much time with a female demon hunter that his jealous younger sister, Azaka, becomes a magus apprentice in order to compete with her for his attention.
From the anime movie series Kara no Kyoukai (The Garden of Sinners)
Although Roddy Soul and his siblings Roro and Lala don’t have much money, he does his best to make sure they live a happy life.
From the anime movie Boku no Hero the Movie 3: World Heroes’ Mission (My Hero Academia: The Movie: World Heroes’ Mission)
Sister/Brother Complex 