Girlfriend, Girlfriend Vol. 9 (Kodansha, 2022)

There's the emerald sea and azure skies...and most importantly, the cute swimsuits! The fun and exciting Okinawa vacation starts!! Nagisa is going to do everything she can to have Naoya kiss Saki on the trip, but Milika and Shino are out to stop them! During the heated battle between the girls, Naoya and Shino are accidentally swept away by the waves and end up on an uninhabited island!! Unable to hold her overflowing feelings down any longer, Shino and Naoya intermingle in a passionate night by the fire!