Dog and warm boiler

On his days off, thirty-year-old Kang Nakkyung volunteered at an animal shelter for abandoned dogs. Otherwise, he worked as a boiler repair technician, leading an utterly ordinary life. That was until he met twenty-four-year-old Nam Jiha, who loudly barged into his life, claiming to have fallen for him at first sight. "I really like you, hyung. Don't abandon me.."