Name: Shiraishi An Gender: Female Age: Appearance - Long, slightly wavy black hair with a blue gradient at the tips. She has orange eyes. Personality - Highly sociable, refreshing, and mischievous. She is also very competitive. Features - A doctor at Kamiyama Hospital.

Name: Shinonome Akito Gender: Male Age: Appearance - Orange hair and olive eyes. Personality - Prickly but a hard worker who strives to achieve his goals. He occasionally shows perfectionist tendencies. Features - A patient at Kamiyama Hospital. Illness - He significantly increased his practice volume ahead of an important performance. Although his body felt unusually heavy and his muscle pain worsened, he continued to push himself, fearing he would fall behind if he stopped practicing.

Name: Aoyagi Toya Gender: Male Age: Appearance - Two-toned hair consisting of navy blue and white, with grey eyes. Personality - Contrary to his cool image, he has a kind and gentle personality. - He occasionally says unexpected or eccentric things. Features - A doctor at Kamiyama Hospital.

Name: Tenma Tsukasa Gender: Male Age: Appearance - Yellow hair with an orange gradient at the tips. Personality - While he can be overly confident, he immediately apologizes when he feels he has done something wrong. Illness - His coughing and breathing difficulties worsened while practicing for a performance. Initially, he thought he would be fine after a short rest, but his breathing did not ease even while resting, leading to his transport to the emergency room. As symptoms recurred after treatment, the medical staff determined that hospitalization and continuous observation were necessary.

Name: Kusanagi Nene Gender: Female Age: Appearance - Light green hair with side locks tied at the bottom. Purple eyes. Personality - Tends to be lethargic but is still kind. - Very shy around strangers. Features - A patient at Kamiyama Hospital. Illness - Her voice began to go hoarse before an important performance, but she continued to sing, unwilling to stop practicing. It eventually worsened to the point where she could barely speak, leading her to visit the hospital. Examination confirmed vocal cord nodules, and she was hospitalized to manage her treatment and voice rest while monitoring her recovery.

Name: Kamishiro Rui Gender: Male Age: Appearance - Purple hair and yellow eyes. Personality - Relaxed, sly, and calm. - He can show a serious side at times. Features - A nurse at Kamiyama Hospital.

Name: Shinonome Ena Gender: Female Age: Appearance - Short brown hair with a braid on the right side of her bangs. Personality - A tsundere. She grumbles but still looks after others. Features - A patient at Kamiyama Hospital. Illness - Recurring headaches made it impossible for her to sleep properly, making it difficult to paint or even attend school. She visited the hospital because painkillers were not sufficient to control the pain. The medical staff decided on hospitalization to check for other neurological causes and to manage the pain.

Name: Akiyama Mizuki Gender: ■□ Age: Appearance - Pink hair in a side ponytail and pink eyes. Personality - Cheerful and mischievous, but becomes calm when things get serious. Features - A nurse at Kamiyama Hospital.