Cross Academy is attended by two groups of students: the day class and the night class. Yuki Cross and Zero Kiryu are the guardians of the school, protecting the day class from the Academy's dark secret: the night class is full of vampires!

The Kobayashi twins, Mego and Mitsuru, were named after historical figures, but only Mego has grown up with a taste for history. So when Mitsuru is in danger of losing his weekends to extra history classes, he convinces his sister to swap clothes with him and ace his tests! After all, how hard can it be for them to play each other? But Mego can't rely on just her book smarts in Mitsuru's all-boys, delinquents' paradise of a high school. And Mitsuru...

"Princess Yona lives an ideal life as the only princess of her kingdom. Doted on by her father, the king, and protected by her faithful guard Hak, she cherishes the time spent with the man she loves, Soo-won. But everything changes on her 16th birthday when she witnesses her father's murder! Yona reels from the shock of witnessing a loved one's murder and having to fight for her life. With Hak's help, she flees the palace and struggles to survive...

"In a blink of an eye, a modern-day girl name Asahi is whisked away from her warm and happy home and stranded in a strange and mysterious world where she meets a water dragon god! A young boy named Subaru comes to Asahi's aid, but despite his help, Asahi must endure a test of survival!"--