Kiss×sis (Series) favorite_border

[DeepL Translation - needs review] Introduction to Volume 1: I, Keita. I'm Keita, a student preparing for the high school entrance exam. I'm studying for the exam with the help of my twin sisters, who, fortunately or unfortunately, are very aggressive!　In addition, she is a beautiful girl that everyone looks back on. Will this naughty love come to fruition or will he be able to pass the high school entrance exam?　This is a two platon sister's erotic comedy about the only brother!

(Translator: DeepL)