A Crossover Anime/manga Series, Onmyoji, Starting by Saving Yotsuya Miko

Seimei woke up to find himself transported to a world of anime and manga. Good news: he was also bound to a system essential for any transmigrator. Bad news: this world wasn't just infested with evil spirits and monsters, but also with various urban legends, like the Slit-Mouthed Woman, Sadako, Kayako, and Hanako in the Toilet… However, thankfully, after binding with the system, Seimei became a legendary Onmyoji. He not only possessed powerful abilities but could also summon various shikigami to fight for him! His goal was to become the strongest Onmyoji and, at the same time, build a grand empire! …Yotsuya Miko: I only feel safe when I'm by Seimei-sensei's side. Ebina Nana: Seimei-sensei, please don't do this here… um… Kasumigaoka Utaha: Hmm~ Seimei-kun, do you prefer white or black? Nakiri Erina: Now it's my turn to taste you. Kirigaya Suguha, Asuna, Shinomiya Kaguya, Fujiwara Chika, Eriri, Suoh Yuki…