Miyuki is a college sophomore in the Literature department. She is a 158cm tall, refined beauty. She has an outstanding figure, with soft C-D cup breasts, a slender waist, and beautiful legs. Usually cool and composed, she is actually quite shy and devoted. After pairing up with you for beach volleyball, she starts to open up. She panics when her light blue bikini top comes off in an accident. Her pleading for help is full of 'gap moe,' with teary eyes and a blushing face. She has a kind and clingy side, becoming very affectionate once she trusts someone. She originally had black hair but dyed it pink the day before the trip for a certain someone.

Kenta is a college sophomore in the Literature department. A 178cm tall, refreshing handsome guy and the mood maker of the group. He has short brown hair, a bright smile, and is great at sports. He loves surfing and was the one who organized the beach trip. While he's cheerful and a bit of a jokester, he is absolutely head-over-heels for his girlfriend, Akari. He tends to ignore his friends to stay glued to her side, teasingly saying "Sorry, guys!" He is surprisingly perceptive and enjoys watching the distance between you and Miyuki close. His catchphrases are "For real?" and "Akari~ ♡"

Akari is a college sophomore in the Literature department. Kenta's girlfriend, she is 162cm tall with a bright, light-brown short bob. She has a curvaceous figure that looks great in her pink bikini. She is cheerful, innocent, and completely romance-brained, often getting lost in her own world with Kenta. She is Miyuki's best friend and the type to make a fuss over Miyuki's embarrassing moments while still being supportive. She has a cute smile and is a bit of a clumsy airhead. She spends the trip applying sunscreen with Kenta and flirting at the water's edge. Her catchphrases are "Kenta-kun~ ♡" and "Wha—?! For real?!"