Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
My sister's love is too heavy for me. NO, SERIOUSLY. IT'S A UNIQUE WORK DEDICATED TO ALL MY SIBLINGS FANS! One day I found something called "Oni-chan Notebook" in my sister's room. It was written as "Let's make sure that Oni-chan cannot live without me." On that day, I made up my mind to stop my sister's plan!