Mahou Shoujo☆Karimenkyo

A girl ran into Kazuki Takaki's room, pulled out a funny-looking stick, and shouted, "henshin-tsu~☆"— In that moment, the girl's figure became wrapped in light in front of Kazuki's eyes, her silhouette stark-naked, and became a figure that can only be described as"magical girl"... and so, Kazuki's absurd days begin! In the heart of this town that will soon be covered in a mysterious barrier, what is the choice that Kazuki will make?!

(Source: Official Publisher, translated)