Tae-Ho is in charge of Se-Jun, a newbie at the construction site. Tae-Ho warns him to be careful because the site is dangerous, and he's worried about the strangely over-eager Se-Jun. To top it off, he is troubled by Se-Jun, who keeps sniffing him and following him around. No way... is he fully aware and doing it on purpose...? "Hyung... Are you in heat?" (Source: BOMTOON, translated)