Overview: After a nonprofit worker witnesses a drunk woman pass out in Shinjuku, she calls for an ambulance and accompanies her to a back-alley clinic.
Overview: Toru has an epiphany and asks to take part in Not Alone activities. At St. Magokoro Hospital, Yoko treats a girl who has overdosed on painkillers.
Overview: St. Magokoro changes its weekly schedule after Shiraki raises concerns. Keizo and Toru seize the chance and begin running a beauty clinic on Mondays.
Overview: After being saved from her assailant, Yoko explains why she was attacked. Later, she unexpectedly reunites with her mother — much to Toru's surprise.
Overview: Mayu's mother's boyfriend comes to St. Magokoro in search of Mayu. The director tells the others he's thinking of having Yoko take over the hospital.
Overview: Toru is shocked to learn of Yoko's parentage. Later, while wandering around Kabukicho at night, he spots Keizo and Mai exiting a hotel.
Overview: Yoko attempts to save the life of an unconscious elderly man. Yokoyama tells his colleagues the surprising truth he discovered about Horii.
Overview: Shiraki is furious when she realizes her husband may be visiting a shady establishment. A girl comes to Not Alone to get help dealing with a stalker.
Overview: Awaking in a love hotel, Okamoto sees Mai's apron and panics. Later, Mai brings an American TV crew to St. Magokoro to film the staff at work.
Overview: A nightclub host returns from overseas with a viral infection, leading to an outbreak of a new disease that soon becomes known as the Kabukicho virus.
Overview: Amid the ongoing pandemic, Not Alone disbands and Mai disappears. Yoko and the others spring into action when the floor at a nightclub collapses.