Galge no Sekai yo, Youkoso!

Takenori is a devoted enthusiast of dating simulation games, spending his days immersed in their romantic storylines. His ordinary life takes an unexpected turn when he receives a mysterious email offering him the chance to become the main character of his very own world. The message prompts him to submit the source material that will serve as the foundation for this new reality. Without hesitation, Takenori selects his absolute favorite game, "Eternal Innocence," and provides it as his chosen setting. Shortly after submitting his selection, a series of bizarre and disorienting events unfold around him. Convinced that the strange occurrences are nothing more than a vivid dream, Takenori eventually drifts off to sleep. However, when he finally wakes up, the boundary between fiction and reality has been completely shattered. He discovers that all the heroines from "Eternal Innocence" have miraculously come to life, now existing within his familiar, everyday surroundings. Suddenly thrust into the role he always dreamed of playing, Takenori must navigate a world where his beloved digital companions are real, forever altering the course of his once-ordinary life.