Punch Up! vol. 3 (yaoi manga)

The relationship between architect Motoharu Maki and ironworker worker Kouta Ohki has settled down into a happy routine, but Motoharu is still battling feelings of jealousy over Kouta meeting up again with first love, Yuya. Kouta swears it’s over, but now that Yuya’s boss is Motoharu’s new client, the two ex-lovers see each other more than ever. Is Kouta really over his first love, or are Motoharu’s feelings of jealousy justified?