[Salt Peanuts (Niea)] Let The Happiness In (Toaru Kagaku no Railgun)

Trapped in a mysterious room with a peculiar condition—they can't leave until they reach a specific climax—two schoolgirls find themselves caught in a whirlwind of unexpected sensations. As the tension rises, what starts as confusion turns into an intense, uncontrollable physical experience. Between sudden twitches, splashes, and overwhelming sensations, the two must navigate their surging desires and the unexpected results of their predicament. Will they be able to control their bodies before the final release arrives?