Jankenman (1991)

A door to another world stretches out before a boy who's been brutally bullied all his life. This alternate reality grants him access to all sorts of things, like cheat skills and a portal that lets him travel between his old and new worlds! Can this class loser turn his life around back home...?

Makoto Misumi is just an ordinary high school student living a regular life, but all of a sudden gets summoned to the other world to become a "hero." The goddess of the other world, however, insults him for being different and strips his "hero" title, before casting him off to the wilderness at the edge of the world. As he wanders the wilderness, Makoto encounters dragons, spiders, orcs, dwarves, and all sorts of non-human tribes. Because Makoto comes from a different world, he is able to unleash unimaginable magical powers and combat skills. But just how will he handle his encounters with various species and survive in his new environment. In this fantasy, Makoto tries to transform the other world into a better place despite the humans and gods having turned their backs on him.

Third is a filmology major and a member of the Savage Team along with his best friends Two, Bone, and Khai, but he has a secret. Third has been secretly in love with Khai for years. For three years he has kept his.

A 34-year-old hikikomori is kicked out of his home by his family after the death of his parents. After his eviction, he saves a group of teenagers from being killed by a speeding truck, but loses his life in the process. When he comes to, he realizes he has been reborn as Rudeus Greyrat, in a world of swords and sorcery.

A mermaid from the Joseon period ends up in present-day Seoul, where she crosses paths with a swindler who may have ties to someone from her past.

In his quest for a bride to break his immortal curse, a 939-year-old guardian of souls meets a grim reaper and a sprightly student with a tragic past.

Louise Françoise Le Blanc de La Vallière’s name is so long and her spell-casting skills are so poor that everyone at the Tristain Academy of Magic just calls her “Louise the Zero.” Louise’s humiliation only increases during an important second-year test, she inexplicably summons Saito Hiraga, a totally normal teenager from Tokyo. Now she’s stuck with him and Saito’s stuck with the lousy life of being a familiar.

In an accident, an ordinary boy, Wang Xiaoxiu, obtains a space system called "Superpower Cube" from a high-latitude cosmic civilization and gains extraordinary powers. When the school belle, Shen Yao, Wang Xiaoxiu’s longtime crush, confesses her love to him, the delinquent Sun Jun, who also has a crush on her, is provoked. Wang Xiaoxiu resolves the crisis with his wit and extraordinary powers, but it also brings more disasters as a result. Shen Yao is taken to the world of extraordinary beings by a mysterious person, and Wang Xiaoxiu embarks on a journey to rescue her. Fighting in the bizarre universe, he finds the meaning of fairness and justice on the path to becoming a peerless powerhouse.

Right after Ryu Sun-jae, a top star, ends his life, Im Sol, his top fan, somehow ends up at a time when they were in high school and tries to protect him. A fantasy romance unfolds where people who missed each other in time finally meet.

In a bet to prove whether ghosts or aliens exist, two high schoolers face terrifying paranormal threats, gain superpowers and maybe even fall in love?!