An Incurable Case of Love

Nanase Sakura, a high schooler who is on a school trip, sees an elderly woman lose consciousness and collapse. Nanase is sent into a panic, but the woman regains consciousness with the help of Kairi Tendo, a doctor who happened to pass by. Nanase falls in love with Tendo after seeing his quick response and decides to become a nurse with the hope of meeting him one day. Five years pass and Nanase is officially a nurse and decides to work at Hiura General Hospital, where the doctor she longs for also works. Nanase confesses her love to Tendo as soon as they reunite, but he does not remember their encounter five years prior and gives her a harsh rejection. Nanase is assigned to train at the cardiology department where Tendo works and attempts to show her abilities.

５年振りに再会した天堂(佐藤健)が偶然にも隣の部屋に住んでいることが分かり、有頂天になる七瀬(上白石萌音)。しかしその直後、謎の美女・流子(香里奈)と一緒に住んでいると知り、七瀬は落胆。さらには、流子から強引に２人の“愛の巣？”に招かれることに…！？初めて天堂のプライベートな姿を垣間見て淡い妄想を膨らませる七瀬だが、天堂からは「うちの科にくるなら手加減しない」と一喝されてしまう。そんな中、循環器内科に正式配属された七瀬は、天堂の下に付くことに。一方、急な不整脈で入院中の家電量販店の従業員・神田光喜(金子大地)の緊急オペが決まる。オペの不安からか食欲不振になった神田に対し、天堂は投薬療法を見直し、食欲増進を図ろうとする。そんな中七瀬は、院内で開催するスペシャルイベントに神田を誘おうと思いつく。七瀬の優しい気遣いに、食欲と前向きな気持ちを取り戻した神田は、退院後に七瀬へオススメの炊飯器を紹介することを約束する。笑顔を取り戻した神田の表情に安心する七瀬だったが、オペの前に神田の容態が再び急変し…。

Kisugi plays Cupid and encourages Tendo to watch over Nanase as she recovers; after returning to work, she struggles with a basic nursing task.

Just as Nanase is gaining confidence as a cardiology nurse, a heart failure emergency at work reminds her of just how much more she has to learn.

A head-over-heels Nanase wants to tell everyone about her new boyfriend, but Tendo expects clear boundaries between his professional and private life.

Worried about Tendo attending an out-of-town event with a beautiful surgeon resembling his lost love, Nanase decides to follow the pair to Osaka.