If you're looking for anime similar to Eroge Eshi, Isekai de Shunga wo Egaku (Light Novel), you might like these titles.
Azusa was a normal high school student, until she was sucked down a well into a fantasy world full of monsters, demons, and surprises. Dubbed the priestess of the land of Kyou, she found herself joined by the Hachiyou, a group of people with magical powers, dedicated to protecting the priestess and the land. But all does not bode well for Azusa, as the demon Akuram wishes to claim her power for evil purposes. In addition, a malicious spirit is ravaging the townspeople, stealing their life energy! A day's work is never done for the priestess and her companions, it seems.
Taking place after the second Magnificent World OVA, Mr. Fujisawa has finally married Miz, who has retired her position as Priestess of Water. In her stead, a young woman named Qawuul is brought in as the priestess, and in the tradition of the El Hazard series, falls for Makoto. However, the calm is yet again broken as the gang is transported into yet another alternate world by a mysterious man named Arjah, where new trials and mishaps as well as a new adventure awaits.
A video game-loving shut-in, Kazuma's life should've ended when he was hit by a truck, but through a twist of fate, he ends up reincarnating in another world--and dragging the troublemaking goddess, Aqua, the wildly dorky mage, Megumin, and the unrelentingly delusional lady knight, Darkness, with him. Now, the Crimson Demon village that Megumin and Yunyun are from is facing a threat that could mean it's ending. Kazuma and his gang follow Yunyun, who returns to the Crimson Demon village intent on saving it... when they are faced with their greatest threat yet! What will become of the unremarkable adventurer Kazuma's life in another world?!
Reincarnated as a character in the legendary erotic game, “Magical Explorer,” it doesn’t take long for our hero to discover that he’s been designated the unlucky side-character rather than the game’s lady-killer protagonist. Not to worry, though! Armed with his vast knowledge of the game (and a few cheats) he’ll do whatever it takes to win the hearts of the game’s heroines and emerge as the most accomplished student at the Sorcerer's Academy!