No One Told Me I'd Be Koki's Fave

Story :  "Ms. Kumakawa, you're my 'fave'." A dental hygienist, Satomi Kumakawa, is stressed from her poor work environment and has developed insomnia. What helps her sleep at night is listening to the story-reading streams by her fave, "Koki". She spends her days happily supporting him by sending Super Chats to him. One day, she is assigned to a patient named Koki Machida, who turns out to be her fave in the flesh. She swears to keep her Super Chats a secret and is determined to protect her fave's oral health as a professional...! But somehow, Satomi becomes his "fave"?!