Majime Masato, a notorious pervert at Ichisakura Academy, crosses paths with a black cat named Shami. In a twist of fate, Shami gifts him a magical “smartphone of love” that enhances his lewd desires. With newfound power, Majime sets out on a mission to fulfill his wildest sexual fantasies with the vast selection of well-endowed girls at the academy. Little does he know, however, that the smartphone’s power is temporary. Determined to make the most of his time, Majime resolves to impregnate every girl in the school before the phone’s magic fades away. Follow Majime’s outrageous and lust-filled journey as he takes his perverted antics to new heights at Ichisakura Academy.