Chisa was once rumored to be dating with the school most popular guy due to how close they were, Only to realize that all they do are RECORDED!? her heart break become a plaything for the guy's girlfriend. furthermore she was schemed to be bullied by the whole school. the twist is, she suffer from cancer, and with a procedure named mnemosyn, she can be cured by RE-EXPERIENCING all of her trauma. including her heartbreak?! follow the main character ,chisa, on how she fare this journey together.