uhmm's manga / #Smell(2)

Guy can smell really well like he can tell when people lie via smell. Anyways someone kissed him while he was half asleep, so he smelled out the truth

Guy has super sensitive smell and meets a dude who's smell finds calming cos it reminds him of his grandmama. Dude is initially reluctant, but is down for the guy. Also guy often saves the dudes younger sibling from pervs