Can someone help me find this manga i know part of it a highschool guy said to the old man to fix his watch but the old man said he can't fix it so the highschool guy has to protect the city from monsters but the watch shines then he changes in to a small girl hero in the city and a lady came by to save the small but instead he change back ok that was it i could remember
Can someone help me find this manga i know part of it a highschool guy said to the old man to fix his watch but the old man said he can't fix it so the highschool guy has to protect the city from monsters but the watch shines then he changes in to a small girl hero in the city and a lady came by to save the small but instead he change back ok that was it i could remember