Mizusawa Yuusuke is the male protagonist of both "Milk Junkies 1" & "Milk Junkies 3" by [Blue Gale ON DEMAND]. As of Milk Junkies 3 he has married Mitsuki and became her husband. He also now works with Mitsuki's cousin, Hitomi, at her company. VNDB Page; https://vndb.org/v4458#main