His Guide. ✯Their predecessors, their successors, with their souls intertwined.

On Penelope Eckhart's seventeenth birthday, her wish not to be alone gets answered as she summons a bewildered girl from another world - a girl who calls herself Cha Siyeon and claims to know Penelope's future. Aware of the sequence of events and being able to see the game system, Siyeon chooses to help Penelope in hopes of returning back to Korea. But time is ticking, and as the clock counts down to Penelope's coming-of-age ceremony, both of them have less than a year to stop the only ending of the villainess. What neither realizes is that some fates are worse than death.

Y/N L/N, a 15 year old girl who goes to Kimetsu High Academy, that are filled with nosy students, gossip, rumors, and all of that jazz. She is best friends with Aoi, who always has 'tea' and Kanao who is very kind and a but anxious here and there. One day, she heard about a new student that was transferring to her school, not that she cared. But everyone was talking about it. Was it really a big deal?