[RJ01044157] 経験豊富な我が妹がオマンコを貸してくれる 5/5 (1)

Summary [By dlsite.com）

回想部屋あり
基本CG 30枚 (Live2Dで動く+喘ぎ声)
イベント回収型RPG
攻略/Guide:
TWITTER @hoi0609あと一ヶ月で幼馴染の彼女と大学生活を始める健人は、
誰にも言えない一つの悩みを抱えていた……
セックスで、一度も相手をイカせたことがない。
しかも、無表情な彼女の麗奈はずっと感じない顔だった。
……このままじゃ、絶対にエロ漫画のように、寝取られちゃう……!!!
そう思った健人。ちょうど彼の前に現れたのは、H経験豊富そうな妹——真央。
「フッ、いいよ~うちがお兄ちゃんを雑魚チンから卒業させてやる~」
妹との淫乱な関係が、これで始まる。一個月後就要跟青梅竹馬兼女友一起搬出去住、展開大學生活的健人,
此時卻懷著一個無法告人的煩惱……
在做愛方面,至今一次都沒讓對方高潮過。
不但如此,缺乏表情的女友麗奈似乎還一點都不舒服的樣子。
……再這樣下去,絕對會像色情漫的情節一樣,要被NTR了……!!!
健人這樣想著。而剛好出現在他面前的,正是看起來H經驗就很豐富的妹妹——真央。
「呵,可以哦~人家就讓奧尼醬從雜魚肉棒畢業吧~」
與妹妹的淫亂閣係,就這樣開始了。Kento, who will start university life with his childhood girlfriend in a month,
has a worry that he can't tell anyone...
He has never made his partner cum.
Moreover, he can't figure out if her expressionless girlfriend, Rena feels good or not.
...At this rate, I'm going to be cuckolded, just like the stories in hentai manga...!!!
While Kento's thinking like that, one person appears in front of him—
It's his younger sister, Mao, who seems to have a lot of sex experience.
"Fuh, okay~ I'll let you graduate from having a weak dick~"
So, a horny relationship with his lil sis begins.

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