A Common girl ' Rin ' who only had a single crush all her life gets a chance to meet her crush I.e Jin . Their first encounter will change her life. Will she be able handle this change alone. Even if it means going against angels and demons. Hardships like none before but she isn't alone as her crush will be there to protect her. While her only thoughts will be " Why is he always there when I need him " , " why does he keep on helping me " and " what do I mean to him ". Whereas Jin has only one goal " To keep her safe, even if it costs me my life ".