Frisk felt a strange surge within her form shifting a new power awakening Her breasts swelled with an unexpected force each beat of her heart amplifying the change The world around her blurred a dizzying rush of sensation as her new curves took shape A mischievous grin played on Chara's lips witnessing the incredible expansion Frisk's transformation continued her figure growing more pronounced with every passing moment Undyne approached her gaze fixed on Frisk's massive curves a mix of surprise and arousal in her eyes The sheer scale of Frisk's expansion was breathtaking a testament to the magic at play Chara watched her own desire sparked by Frisk's ample form The sheer weight of her enlarged chest made Frisk lean back a captivating display of her new proportions Undyne's admiration for Frisk's new body was clear a deep appreciation for such magnificent proportions Frisk felt a surge of confidence her enormous chest a symbol of her newfound power A daring pose from Frisk highlighting her newly prominent features The intensity of their encounter grew Frisk and Chara locked in a sensual embrace Their passion was palpable a raw intensity that promised unforgettable pleasure Frisk's ample assets were undeniable a testament to her ultimate transformation Her voluptuous shape was a sight to behold every inch radiating arousal Undyne's bare breasts revealed a powerful figure matching Frisk's own Frisk's enlarged chest dominated the scene a truly magnificent display The full glory of Frisk's breast expansion captured in a moment of pure arousal A final alluring shot of Frisk and Chara their forms intertwined their passion burning bright