五等分の花嫁 [Go-Tōbun no Hanayome]

Negi Haruba's The Quintessential Quintuplets (2017–2021) is a landmark romantic comedy from Kōdansha that follows high school tutor Fuutarou Uesugi as he navigates the chaotic challenge of tutoring five identical quintuplets—each with a distinct personality and academic struggles. Spanning 14 volumes, the series masterfully blends heartfelt character growth with a high-stakes mystery of which sister will ultimately win his heart, making it a defining work of the 2010s harem genre. Haruba's clean, expressive art and tightly paced storytelling earned it massive popularity, culminating in a satisfyingly conclusive finale that resonated with readers worldwide.