Senpai no Kakkoii Oshasei Misete Kudasai ❤: Chiisakute Fuwafuwa na Kouhai Kanojo no Amaama na Ijiwaru de Amaenbo Mazo ni Sarechau Hanashi

This is the story of a protagonist who wants to act manly in front of his cute first girlfriend, but is captivated by his "cuteness❤" and is completely overwhelmed by the protagonist's girlfriend, who melts him to pieces. Will he be able to show his manly side? (Source: Dlsite translated)