Overflow

"My swimsuit is... gone!?" Kotone's bikini falls off the moment she slides down the water slide at the pool. Kazushi quickly hides her chest and runs into the storehouse, but the sight of the two of them alone topless is too stimulating for a boy of his age...

Kazushi and the Shirakawa sisters decide to go to the pool on the substitute day off for the sports festival. Ayane, who has been tasked with preparing the lunch boxes, finds herself standing in Kazushi's kitchen wearing only a nude apron for some reason. "I heard from a friend that this is the best way to seduce a guy..." As she blushes and shakes her buttocks while they're alone in their apartment, Kazushi can't help but feel a sense of relief. He slowly approaches her from behind...

"Because you're like family to me... I can always be by my big brother's side," Kotone mutters sadly as she steals Kazushi's lips. As the sports festival draws to a close, Kazushi learns the girl's true feelings in an empty classroom bathed in the sunset. "I don't mind being second... just look at me for now," Kotone says as she tries her best to convey the words, grabbing Kazushi's hand and making him touch her chest. With his heart beating painfully fast, Kazushi comes to a conclusion...

"Huh... you were lonely without me...?" Ayane and Kazushi are finally alone at the sports festival, where they go to cheer on their sisters, and the atmosphere is good...! But then Ayane's classmates enter the girls' locker room while they're having a secret rendezvous!? In a panic, Kazushi and Ayane take refuge in the narrow locker room to avoid being seen. They spend several minutes pressed together, holding their breath. Kazushi loses himself in the warmth and heartbeat of Ayane, and the sweet scent of sweat mixed with her...