What if Ryuichi and Kotaro have a sister? Aina Kashima is the middle child of the Kashima siblings. After their parents died from an airplane accident, they are left orphaned and having no place to call home. That is until the chairwoman of the prestigious Morinomiya Academy offers to take the siblings into her care, giving them a new house and free tuition, but there's a catch: Ryuichi and Aina must help out with the school's daycare center while attending normal classes during school hours. Ryuichi and Aina soon met and became friends with the stoic and blunt student, Hayato Kamitani, but what Aina falls for him?

𝙈𝘼𝙍𝙄-𝘾𝙃𝘼𝙉 brothers conflict x platonic little sister! oc いつもの一日から抜け出して 目が覚めるような冒険の舞台へ 回る地球儀を目印に さぁ今会いに行こう 特別な一日に on-going. © msensical , 2019