Kotono Shiunji is a central character in the anime series 'Shiunji-ke no Kodomotachi.' As the eldest daughter of the Shiunji family, she often finds herself acting as a mediator among her siblings. Known for her intelligence and maturity, Kotono takes on a leadership role within the family, balancing the responsibilities of her household while navigating her own personal challenges. Her calm demeanor and problem-solving skills play a crucial role in maintaining harmony within the family, making her an indispensable figure in the series.