What would you do if you suddenly gained an older sister one day...? The irresistible sister series is now available!! 【Synopsis】 My mother is getting remarried. However, the other party is also remarrying, making it a so-called "marriage with children." It turns out the other side has an older sister who is one year older than me... For Shōta, who has always been bad with girls and has never properly talked to one, this is a source of anxiety. But it's not that he dislikes girls. He just gets too nervous to speak—in fact, he's at that age where he's rather interested... Becoming a new family with such an older sister and living together... It's the beginning of a sweet, heart-pounding daily life filled with anxiety... tension... anticipation... ●Setouchi Tamami A bright, energetic, and popular girl at school with a charming smile. Beautiful, with an outstanding figure, and to top it off, she excels academically—flawless in every way. With such an older sister, you might end up sharing a bath... Imagining your older sister while pleasuring yourself... Having your first experience with her... Sweaty, naked sex... Sweet, passionate lovemaking from staying up late together... And even becoming your older sister's personal toilet!? CV: Kuchiya Aya