Otoko Shika Inai Kuni no Alice 1 (Birz Comics Lynx Collection)

[Machine Translation] One day, high school student Arisumi suddenly faints and wakes up to find herself in the middle of an intense sexual encounter with her best friend, Otate! Arisumi is confused, but she is unable to help but be carried away by the pleasure of her body, which has already been developed according to Otate's words, "I've done it many times. In addition, her sister has become her brother, a female idol has become a male idol, and her best friend has become her boyfriend...and she learns that she has been transferred to a "world where only men exist." She wants to return to her original world, but she is told that she can return if she can "recreate the situation in which she was transferred. And then...?

ある日突然気を失ってしまった高校生の有澄が目覚めると、なんと親友・大楯との激しいHの真っ最中だった! 混乱する有澄だったが、「何度もやっている」という大楯の言葉どおり、体はすでに開発されていて思わず快楽に流されてしまう。 その上、姉は兄に、女アイドルは男アイドルに、親友は彼氏に…と変化しており、どうやら「男しかいない世界」に転移してしまったと知り、 なんとか元の世界に戻りたい有澄は「トリップした状況を再現すれば戻れる」と言われ、大楯と何度もHをするハメになりーー!?