Mikami-sensei's Way of Love, Volume 3 (Mikami-sensei's Way of Love #9-12)

Mikami-sensei and Natsume continue to maintain their overprotective relationship at school, but carry on as lovers in secret! But lately, Mikami-sensei’s affections have been growing in intensity whenever the two find themselves alone... And on the night of their school field trip, something happens that brings their relationship to a whole new level...! A thrilling overnight outing filled with love awaits...