Domestic Girlfriend Vol. 7 (Kodansha, 2017)

Natsuo and Hina finally become one during the school trip. Both elated and anxious to become a man fit for Hina, Natsuo visits Kiriya with newfound determination, and little by little, their love takes steps toward the future. However, thanks to a single photo taken during the trip, the school finds out about their relationship?! What becomes of their unforgivable love…?