In a cramped, cluttered Japanese apartment, Nono and Momoka, dressed in matching schoolgirl outfits, eagerly unwrap a mysterious package. Inside, they find a box of extra-large, ribbed condoms, a surprise gift from their partner. The girls exchange excited glances, their young hands trembling as they each pull out a condom. Nono, the bolder of the two, slips the condom onto her middle finger, her eyes widening at the snug fit. Momoka, blushing deeply, does the same, her finger disappearing into the thick, lubricated rubber. They laugh softly, their bodies pressing together in shared anticipation of the night's kinky adventures.