Are There Any Summer Book Spin-Off Novels Or Manga?

"It's hot because, it's Forbidden" Cassandra is in a sexual relationship with her five adopted step brothers. There was only one rule: No strings attached. But slowly, all of them were breaking the one and only rule and find themselves falling for Cassandra. And she for them. But she's chosen her life partner. He was one amongst the brothers. However, not every story has a good ending. Someone plans a murder on Cassandra, because she stole her boyfriend. When the car accident takes place, Cassandra wasn't the only one who died. Born again in 2057, Cassandra and her lover find something very disturbing about his reborn family. That their ancestors were the Johnson siblings. Love was so incomplete, that they had taken two cycles of rebirth to meet each other again. The Forbidden Reverse Harem [Thrilling and exciting with steamy chapters between the lovers and preceeding reverse harem. Read to find out more about Cassandra FORBIDDEN reverse harem!]

Elina thought she had hit rock bottom. She lost her job. Her therapy session dredged up memories of the ex-boyfriend who stalked and traumatized her. The only thing she had left to look forward to was the finale of her favorite fantasy series, Moonbound Faith. Then the show ended. The heroes won. The villain died. Everyone got their happily-ever-after. That same night, a knock at her door shatters what little peace she has left. Her ex is standing outside. The man who was supposed to be in prison. Forced to flee into a storm, Elina runs until she reaches the edge of a cliff with nowhere left to go. Faced with a choice between death and returning to the man who destroyed her life, she jumps. But instead of dying, she wakes up inside Moonbound Faith. Not as the heroine. Not as a side character. But as Luna—the infamous villainess whose tragic death she celebrated only hours before. Determined to survive, Elina plans to use her knowledge of the story to change her fate. But everything she thought she knew begins to unravel when a small boy tugs on her sleeve and calls her one word: “Mom.” The original story never mentioned a child. And when Elina uncovers the truth behind his existence, she realizes something terrifying. The villainess was never the villain. The story lied. And the ending she remembers may not be the ending waiting for her at all.

I woke up inside a novel, and not even as an important character. I became a pretty background extra in a smut novel. My brother, however, was the only normal person in the entire story. His character setting was the one man the soft, delicate heroine could never win over. He was the cold, unattainable Prince Charming she could never conquer. When the heroine cried and confessed her love, he was studying. When she offered him her whole heart and body, he was busy starting a company. When she spiraled into scandals and nightlife, he was already a billionaire, calm and untouchable. I thought he would live a quiet, ascetic life forever. Until one night, I walked in on him at midnight… holding a piece of clothing I recognized all too well, murmuring a name over and over, a name so familiar that my scalp tingled.

My dormmates are my bullies. When they hear that my father owns a factory, they force me to get them part-time jobs there for the summer. I look down at the wounds they've inflicted on me and smile. They've just served themselves up for slaughter—they've given me the perfect opportunity to get revenge on them. My father's factory isn't as great as they think—it's known for its strange happenings.

A Vanished girl. A broken boy. A word that haunts them all. When Summer disappears without a trace, Kai's world collapses into grief and panic. Ria loves him silently, forbidden by blood and circumstance. Jia mocks him, hiding her own scars. Lilith enters, fragile and haunted, her dreams echoing Summer's fate. On a campus where shadows whisper and rivalries burn, Kai is pulled into a web of obsession, betrayal and forbidden desire. Every chapter ends with cliffhanger, every chapter hides a secret, and one word binds them all: Until...

One moment I'm chasing after a rabbit and the next, I'm falling down a rabbit hole! What the heck?! This ain't Alice in Wonderland?! Though as I opened my eyes, I soon found out that I was no longer in my original body and that somehow I transmigrated into the light novel, A Fairytale Romance. And that isn't all, the character whose body I transmigrated into... is none other than the canon-fodder, stuck-up, arrogant, and selfish ojou-sama who was nothing more than a comic relief character, Maria Rosendrey. Life truly sucks...