Great Isekai Anime.

The isekai genre has become increasingly popular in the anime world. #Isekai anime are typically stories that involve a character being transported to or discovering a parallel universe. Re:Zero kara Hajimeru Isekai Seikatsu
The story is about Natsuki Subaru, a high school student who is suddenly transported to another world on his way home from the convenience store. In this new world, he discovers that he has the power to reset time whenever he dies. He decides to use this power to try and save the life of a young girl named Emilia.
Log Horizon
Log Horizon is set in the world of Elder Tale, an MMORPG that has become so popular that it now encompasses the lives of millions of players around the world. One day, the game's characters find themselves unable to log out, and are forced to adapt to their new reality. The series follows the adventures of Shiroe, a master strategist, as he attempts to keep everyone safe in this new world.
KonoSuba: God's Blessing on This Wonderful World!
This anime ollows the story of Kazuma Satou, a high school student who dies an unceremonious death and is sent to another world by Aqua, a goddess who is more trouble than she's worth. In this new world, Kazuma must find a way to defeat the demon king and return home. Along the way, he meets Aqua's arch-nemesis Megumin, an eccentric mage, and Darkness, a masochistic knight.
No Game No Life
No Game No Life tells the story of Sora and Shiro, two hikikomori siblings who are transported to a parallel world where games decide everything. In this new world, they meet Tet, the God of Games, who tasks them with defeating all other races in order to rule the world.
Overlord is set in the virtual world of Yggdrasil, which is about to be shut down after 12 years of operation. The series follows Momonga, the guild leader of Ainz Ooal Gown, as he becomes trapped in the game after it shuts down. With no way to return to the real world, Momonga must now find a way to survive in this new world as its ruler.
That Time I Got Reincarnated as a Slime
It is the story of Satoru Mikami, a 37-year-old man who is killed by a robber and reincarnated as a slime in another world. In this new world, he meets Rimuru Tempest, a powerful demon lord.
The Rising of the Shield Hero
It tells the story of Naofumi Iwatani, a college student who is transported to another world and tasked with saving it from destruction by evil monsters. Naofumi is chosen as one of four heroes who each wields a different weapon; however, he is betrayed and left alone to fend for himself. The series follows Naofumi's journey as he rises up from being alone and scorned to become one of the most powerful heroes in the land.
Death March to The Parallel World Rhapsody
This anime follows Satou Suzuki, a programmer who finds himself transported to another world while working on a new game. In this new world, he meets various characters such as Elves, Dwarves, and Dragons. Together, they go on an adventure across the land while Satou tries to find a way back home. It is an enjoyable series that features Satou's comedic interactions with the various characters he meets along his journey.
No Matter How I Look At It It's You Guys' Fault I'm Not Popular! (Watashi ga Motenai no wa Dou Kangaete mo Omaera ga Warui!)
It Tells the story of Tomoko Kuroki, an unpopular high school girl who withdraws from society and instead focuses on becoming popular through otaku culture. However, her plans always seem to backfire, leading her into even more social isolation.
Is It Wrong To Try To Pick Up Girls In A Dungeon? (DanMachi)
DanMachi tells the story of Bell Cranel, an adventurer who dreams of becoming famous like his idol Aiz Wallenstein. In order to achieve his dream, Bell sets out into the dungeon beneath Orario in search of fame and fortune; however, he quickly discovers that life as an adventurer is not as easy as it seems.

Anime and Manga.