What does detective Tachibana (Uesugi Hiiragi) mean by the “Secret of Seirei Medical University...?Mio (Rina Kawaei) learns that the death of her sister Yui (Riko Narumi) is related to Seiling Medical University and falls into chaos...

Under such circumstances, suddenly Taiga (Takasugi Mazu)'s family member Sayoko (Nagaze Yuzu) was hospitalized.

The current situation is in a dangerous state and requires immediate surgery, but Sayoko has a complicated condition that cannot accept the surgery no matter what... What is the relationship between Taiga and Sayoko...? With the appearance of this girl, Taiga's unknown past is clarified... and MioThere are unexpected commonalities...

The three people, Souma Harumi (Miki Mizuno), Natsume (Yoshizumi), and Soma (Yuuma Yamoto), who betrayed Saruta (Nobuya Kote) and stopped monitoring Mio, were worried that Saruta would fight back.As expected, Saruta has colluded with Kagami (Arata Furuta)...

Saruta, who appeared in front of the three people, said ”I will make you take responsibility“... Could it be expulsion? Knowing that the three people were in danger, Mio hurriedly ran to Taiga... ”Oops! Saruta took Harumi and the others to Kagami.The professor went there!%-.

Then, the 3 people were told from Vulcan.

What is the secret of Seiring Medical University surrounded by mysteries? What is the past shared by Mio and Taiga...?

Because of the appearance of a girl, the story begins to develop in an unexpected direction...