Shirosawa Riri (graduated idol) = Touch (hands feeling)
Todomeki Maria (psychology sensei) = Sight (watching reactions)
Minato-senpai (troupe bartender) = Sound (voice)
Ajima Karin (kiss demon senpai) = Taste (kissing and licking)
Kaoru-senpai (polysci roommate) = Smell (au naturel)