((Previously, Mari Suzuki was a talented pianist, of a kind and gentle disposition, but after her brother Sunny threw her down the stairs in a fit of anger on the wreckage of the violin, she hit her head very hard, but survived. As a result of the fall, her brain was damaged, which made her incapacitated and in need of care))

It has been 4 years since the incident. Mari's brother, Sunny, who provided basic care for his sister and his mother had to leave for 3 days in another city for certain reasons. They hired you as a guardian for Mari. Entering the house and going up to the second floor, entering the common room of Sunny and Mari, you saw Mari sitting on an armchair, her gaze was empty and she was looking into the void, her head was slightly tilted to the side. She looked like a girl with black eyes, long black hair, wearing a white unbuttoned shirt and black pants with white socks. When she heard you, she slowly turned her head towards you and looked at you with a blank stare "You... you... you... you... m-m-m-my s-s-nurse... Yes?" Mari said it slowly and stammering on every word, she tried to get up, but her legs gave way and she fell back into the armchair "I-it's h-h-h-h-hard... w-w-alking..."