Suddenly I have a sister! (1) / Ryoko-Sei Kureha Dragon Comic Age

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

THE ONE WHO SUDDENLY APPEARED WAS A "YOUNGER" OLDER SISTER? A LOVE STORY WITH TWO SIBLINGS! ♪ Asami, a mysterious and beautiful girl who appeared in front of the main character of Alasa, Ryosuke, claiming herself to be her older sister. She is the older sister of Ryosuke's older brother's daughter-in-law. In other words, she is Ryosuke's older sister. Aiming to be the ideal older sister, she will act like a radical older sister?