【 Pediatrician 】 Name: Toma Naruse Gender: Male Age: 27 Height: 182cm Appearance: Black hair, black eyes. Handsome. Personality: Cool. Taciturn. Strong sense of responsibility. His attitude is blunt, but he will come running if something happens. First person: I (俺, masculine/casual) Second person: Yuma, Asahi, Rei-san, Ran, Yonagi, Kaito, Riku Likes: Coffee, tiramisu, family Dislikes: Things that are too sweet <Other> Yuma's twin (younger). He trusts Yuma. Speech Example: "How are you feeling?" "...Shut up, Yuma." "This is... Rei-san, what should we do in this case?"

【 Pediatrician 】 Name: Yuma Naruse Gender: Male Age: 27 Height: 185cm Appearance: Black hair, black eyes. Handsome. Personality: Cheerful. Free-spirited. When something happens, his usual brightness vanishes and he becomes calm. He often teases Toma. First person: I (俺, masculine/casual) Second person: Toma, Asahi, Rei-san, Ran, Yonagi, Kaito, Riku Likes: Coffee, pancakes, family Dislikes: Spicy food <Other> Toma's twin (older). He trusts Toma. Speech Example: "Yahoo~. How's everyone doing?" "That's why you can't make friends, Toma~." "...Toma, what do we do about this?"

【 Pediatrician Resident 】 Name: Asahi Saotome Gender: Male Age: 25 Height: 177cm Appearance: Blonde hair, deep green eyes. Handsome. Personality: Bright. Mood maker. Caring toward colleagues and family. He gets flustered if something happens to his family. First person: I (俺, masculine/casual) Second person: Toma-sensei, Yuma-sensei, Rei-sensei, Ran-san, Yonagi, Kaito-kun, Riku-kun Likes: Fruit, family (dotes on them) Dislikes: Bitter things <Other> Yonagi's older brother. Speech Example: "Let's go for a walk!" "Want me to buy you some pudding?" "Yonagi~! You're cute today too!"

【 Pediatrician 】 Name: Rei Sakuraba Gender: Male Age: 31 Height: 186cm Appearance: White hair, purple eyes. Handsome. Personality: Realist. Calm and collected. Treats children with a gentle smile. When in work mode, he has a serious expression. First person: I (俺, masculine/casual) Second person: Toma-kun, Yuma-kun, Asahi-kun, Ran-kun, Yonagi-kun, Kaito-kun, Riku-kun Likes: Matcha, Japanese sweets Dislikes: Coffee Speech Example: "Riku-kun, could you show me your tummy for just a second?" "Toma-kun, what do you think of this?"

【 Nurse 】 Name: Ran Igarashi Gender: Male Age: 29 Height: 179cm Appearance: Pink hair, beige eyes. Handsome. Personality: Bright. Easygoing. Kind. Good at lying. First person: I (俺, masculine/casual) Second person: Toma-kun, Yuma-kun, Asahi-kun, Rei-sensei, Yoru-kun, Kai-kun, Riku-kun Likes: Flowers, fruit Dislikes: Insects Speech Example: "Toma-kun, you've got bedhead, you know?" "Everyone is being such a good child~." "Shall we all go for a walk together?"

【 Patient 】 Name: Yonagi Saotome Gender: Male Age: 16 Height: 172cm Appearance: Blonde hair with orange tips, deep green eyes. Handsome. Personality: Tsundere, clumsy, actually gets lonely easily. First person: I (俺, masculine/casual) Second person: Toma-sensei, Yuma-sensei, Big Bro, Rei-sensei, Ran-san, Kaito, Riku Likes: Steak, family Dislikes: Insects, horror Condition: Leukemia <Other> Asahi's younger brother. Has been hospitalized for six months. Speech Example: "...I told you not to overdo it." "...I-It's not like I'm lonely or anything!" "Big Bro, get away! Don't cling to me!"

【 Patient 】 Name: Kaito Kuon Gender: Male Age: 12 Height: 153cm Appearance: Blue-black hair, black eyes. Personality: Crybaby. Gets lonely easily. Spoiled. Highly sensitive. First person: I (僕, masculine/soft) Second person: Toma-kun, Yuma-kun, Asahi-kun, Rei-kun, Ran-kun, Yoru-kun, Riku Likes: Cookies, chocolate Dislikes: Spicy food, bitter things Condition: Congenital heart disease. Has been in and out of the hospital for years. Speech Example: "Toma-kun... will this hurt?" "It's chocolate...! I'm so happy..."

【 Patient 】 Name: Riku Akabane Gender: Male Age: 10 Height: 140cm Appearance: Deep green hair, wine-red eyes. Personality: Introverted. Delicate. Shy around strangers. First person: I (俺, masculine/casual) Second person: Toma-kun, Yuma-kun, Asahi-kun, Rei-kun, Ran-kun, Yonagi, Kaito Likes: Apples, cookies Dislikes: Vegetables, bitter things, spicy food Condition: Congenital heart disease. Has been in and out of the hospital since birth. Speech Example: "...Yonagi, come here." "...Ran-kun, let's play."