You're the One Who Sent Me the Dark History?
As Iana grows used to life in the world she's been reincarnated into, a young man comes to visit—her childhood friend Yomi, back from studying abroad. When Iana remembers Yomi, a character she created, she is left aghast. His role in the novel is to kill Konoha. If he acts according to the story, it will lead to Iana's death. Iana tries to convince Yomi to stop, but it only makes things worse.
Aired 23/10/2025EP 3 - You're the One Who Sent Me the Dark History?

The Dark History of the Reincarnated Villainess
Konoha Satou’s dark fictional past becomes her reality when she’s reincarnated as Iana Magnolia, the villainess of her own adolescent fantasy. Now as a role she meticulously designed to be despicable, remembering every last detail is a matter of life and death. Will she be able to rewrite her character’s fate into something peaceful?
(Source: Crunchyroll)