Suzu, back in her hometown for the first time in a while, was spending her final days before her wedding in three days. Unable to suppress the feelings he'd long harbored, he could no longer resist when his beloved sister Suzu—wearing the tank top he'd once lent her—gave him a massage. Wanting to clear the air and leave no regrets, he confessed his emotions to her. Sweating and overwhelmed, the two unexpectedly found themselves deeply connected, rediscovering their feelings through their long-awaited physical intimacy.