Working late, she accidentally became possessed! And of all places—inside a discarded game deemed “harmful content” by the ratings board. Now, if she wants to return home, she has to level up and become a hero…...

"Is... it okay to make you mine? So that you will never be able to leave me again..." Kaguya has reincarnated into the future where civilization has regressed to the Heian period. In her past life, she had such...