Series by 春場ねぎ

Fuutarou Uesugi, a brilliant but impoverished high school student, takes on a tutoring job to support his family, leading him to teach five identical quintuplet sisters: Ichika, Nino, Miku, Yotsuba, and Itsuki Nakano. Each sister has a unique personality, from the cunning actress Ichika to the rebellious Nino, the introverted Miku, the energetic Yotsuba, and the initially antagonistic Itsuki. As Fuutarou navigates the challenge of improving their grades, he forms bonds with each sister, leading to a complex web of relationships, misunderstandings, and eventual affection. Along the way, secrets about their past and Fuutarou's connection to them unfold, adding layers of mystery and romance.