Kakushite! Makina-san!

KKakushite! Makina-san! is a risqué romantic comedy that follows Eita, an introverted high school student with a deep passion for mecha. Despite his quiet nature and niche interests, he harbors a strong crush on Makina, the most popular girl at his school. His ordinary life takes a sudden turn when he unexpectedly finds Makina standing right at his doorstep, leaving him completely flustered by her presence. The situation grows even more bewildering when Makina reveals a startling secret: she is actually a "sexaroid," a specialized robot designed for pleasure. She has come to Eita seeking his help, asking him to discreetly perform some necessary repairs on her mechanical body. Given his extensive knowledge as a mecha enthusiast, he is uniquely suited for the task, but the intimate nature of her request throws him into a state of panic. Makina wastes no time making bold physical advances toward him, forcing Eita to struggle desperately to maintain his composure. Now, he must navigate the overwhelming challenge of keeping her true identity hidden from their classmates while trying to contain his own feelings in this provocative and comedic tale of unexpected romance.