Mother started working, so a babysitter began coming to Shota and Kenta's house. Initially reluctant, the brothers instantly fell for the new babysitter the moment they saw her massive breasts. With a gentle and calm personality, she responds to their mischievous antics with a warm smile. From close-contact hide-and-seek pranks to bath time play and sharing a bed together, the realistic conversations and heartwarming atmosphere heighten the erotic developments. Faithfully adapting the original while significantly improving overall quality, this becomes a brand-new masterpiece.