After Yoshiyuki proposed to him, Suzuta Ishizaki has been living together with his little half brother Leo, Bobo the cat, and the darling neurosurgeon known for his terrific smile.
Swamped with work, Yoshiyuki falls ill with a fever and is forced to rest for a day. His brother Shoyo, steps in to help Suzuta take Bobo to the groomer, and on their way there Shoyo reveals to Suzuta who Yoshiyuki's first love was. Suzuta's so restless over it that he can't even focus on his own work.
Suzuta wants to learn more about Yoshiyuki, but he isn't quite ready to share his traumatic past... In the midst of this emotional conflict, Yoshiyuki's childhood photo album turns up...!

The fourth book in the Behind His Smile series!

(Source: Renta!)

Note: Includes one extra chapter.