[DeepL Translation - needs review] My first love was my cousin's beautiful older sister - Chizuru Aijo.
However, due to a move in elementary school, I was unable to confess my love to her and we parted ways.
A few years later. Due to my parents' job transfer, I was sent to my aunt's house to live with my sister Chizu and her sister Mai.
But when I met her again, she said...
I'm not busy! I'm in my ju-den period.
She is no longer the older sister he longed for, but a no-good older sister!
Chi...
