Percy Stuart (1969)

At the end of the last summer vacation of high school, Youta Narukami spends his days preparing for the university entrance exams, when a young girl named Hina suddenly appears, proclaiming herself as the "god of omniscience." Youta is confused and does not believe Hina when she tells him "The world will end in 30 days." After witnessing Hina’s God-like predictive ability, Youta begins to believe her powers are real. Hina, who is innocent and childlike despite her supernatural powers, decides for some reason to stay at Youta’s home. Thus begins the start of their lively summer before the end of the world.

Sorata Kanda, a high school sophomore living in Sakurasou, the den of their academy's problem children, spends his days being dragged around by the strange residents, swearing he's going to escape Sakurasou one day.

The world's number one assassin has been reincarnated as the eldest son of a family of aristocrat assassins. In exchange for being reincarnated in another world, a goddess has imposed upon him one condition. "Kill the Hero who is prophesied to destroy the world." This was to be the mission in his new life. The synergistic effect of the vast knowledge and experience he gained that made all manner of assassinations possible in the modern world, and the secret techniques and magic of the fantasy world's most powerful family of assassins turn him into the greatest assassin of all time.

When a stray black cat named Kuro crosses Mahiru Shirota's path, the high school freshman's life will never be the same again. Kuro is, in fact, no ordinary feline, but a servamp: a servant vampire. While Mahiru's personal philosophy is one of non-intervention, he soon becomes embroiled in an ancient, altogether surreal conflict between vampires and humans.

Earth has been populated by thousands of aliens from all over the galaxy. While all the other aliens are aware of their presence, it is a secret only from the Earthlings. Baka, the prince of the planet Dogra, crash lands on Earth and loses his memory. He forcibly moves in with Yukitaka Tsutsui, a first year high school student who had just moved out on his own. The normal life he once knew is quickly pulled away as he becomes the target of the prince's torment.

Aika is a skilled but impulsive high school student who earns a C-class salvager license yet struggles to find work due to her age and reputation. After advertising her services at school, she is hired by Erika, a wealthy student and leader of the Treasure Hunting Club. What begins as a simple salvage job quickly turns dangerous, leading Aika into a high-stakes mission, a clash in the southern islands, and the mystery surrounding a girl named Karen.

Syalis is a princess. A really cute one. When she gets kidnapped by the Demon King as a hostage, she's stuck in a castle full of demons, waiting to be rescued by her knight in shining armor. So what does she do? What any of us would. Take a nap—on a pillow she fashioned from her Teddy Demon guards. Duh.

Stars are everything, granting abilities to Tamers. So when Ivy was born without one, her village took it as an ill omen! Now banished, she leads a lonely life of salvaging rubbish to survive. That is until she befriends Sora, a weak little slime, in the forest. Together, the delicate duo embarks on a heartwarming journey of survival and discovers there’s more to Ivy than being starless.

Gorya, a girl from a poor family, is happy to enter an elite high school. However, things take a turn when she is bullied by a group of rich spoiled boys called F4.

After a mysterious virus wipes out ninety percent of humanity, vampires emerge from the recesses of the earth to enslave mankind, treating them like livestock. After growing tired of donating blood in exchange for protection, 12-year-old Yuichiro Hyakuya and his best friend Mikaela Hyakuya plot an escape along with the other orphans. After being the only successful runaway, Yuichiro joins the Moon Demon Company, an extermination unit of the Japanese Imperial Demon Army dedicated to killing off vampires.