Waking up in a hospital without exactly knowing why when she's told to be fine and completely healthy, [Y/n] soon finds out that she has amnesia if a friend of hers hadn't approached her after being discharged.
Thankfully, not too long that she finally remembers a helpful information.
It seems as though that she died because an accident occurred in her original life and been sent to a world where she's happy, healthy and has a complete family.
Not to mention that she's living in the same world but different time as her favorite characters which is Tokyo Revengers.
Having the thought that the gods finally took pity on her and granted her wishes, [Y/n] sets her goals in mind that she'll change their tragic endings and give them a happy ending.
Of course, not alone as she'll do it with the help of the original protagonist in the story which is none other than Takemichi Hanagaki!
But just when she finally thought that she had the gist of what's happening to her, [Y/n] finds herself having odd dreams.
It's seems like there's a much more deeper story behind than the one she have and knows currently...