Higehiro: After Being Rejected, I Shaved and Took in a High School Runaway Vol. 2
Sayu, a runaway girl now living with Yoshida the salaryman, oversees Yoshida's coworker Mishima hugging him in front of the station. Unable to understand her emotions, Sayu runs off to the park alone, in tears. She hears a voice calling out to her... and it's Mishima!?