He's cute becaus
The protagonist Gray is a junior high school kid.He is kind,honest,intelligent,playful,head full of ideas.His mother told him to keep a diary,he not only loosely describes the interesting or memorable,also painted many comic.In the diary,Gray tells him how to harness adventurous life in secondary school,how ingenious escape school singing competition,the most important is how to don't let anyone found his secret.
he is brave,his diary recorded his many interesting things,