Sono Lillo (2023)

Rika moves in with Naoya and the others, and insists that sleeping in the same room with him in a non-sexual fashion should be completely permissible. Naoya agrees, but only if all the girls get to take turns sleeping in his room in a non-sexual fashion.

Saki really wants to go to the beach, but conversation about the trip is interrupted by Mirika drying her bra out where Naoya can see it. One thing leads to another, and the girls are soon competing to see whose bra excites Naoya the most.

Naoya and the girls depart for Okinawa. The trip gets off to a bumpy starts when their plane encounters turbulence, and Naoya panics. Once they get to their vacation home in Okinawa, the girls put on their swimsuits.

Mirika has kidnapped Naoya and locked him in a room while Saki and the others try to find the key. Shino is taken aback by Mirika's resolve, and begins to question the way she's been hiding her own feelings.

Shino and Naoya are stranded on an uninhabited island, and Shino has ended up naked again. Has the time finally come for Shino to confess her feelings? Meanwhile, Saki and the others have realized that Naoya and Shino are missing.

Shino suddenly announces that she's transferring schools. She has a huge fight with Saki, who isn't convinced, but Shino still can't confess her feelings. But it was Rika who gave her the encouragement she needed. Rika had sent Naoya a message asking him to join her at Shino's private beach. Confronting Naoya and Saki again, Shino tearfully confesses her feelings for him. How will Naoya and Saki respond to Shino's big confession...?! And what will the relationship between Naoya and Saki, Saki, Nagisa, Rika, and Shino be...?!