Boys' Love Novels The Brave Figure of the Dragon, Dr. Invincible Kodansha X Bunko

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Ryoichi Hikawa is a beautiful physician who works at Meiwa Hospital and also an older sister of Manabe Gumi. He is a lover of his younger brother, and he is pleased with the revival of the young rising dragon of Manabe Gumi and Kiyokazu KITTAKA.
Who tried to kill Kiyokazu?
Manabe Gumi, including Hikawa, is prepared to find out who is the traitor.
At that time, a question arises. It was Kiyokazu and others who wanted to believe that he would never betray him?
Kiyokazu & Hikawa's strongest lovers are finally back!