One day, Shota's father suddenly brought home his remarried partner Yui. Shota, who was happy to finally have a new mother, was overjoyed when he saw Yui's big butt. However, Yui becomes fed up with Shota, who is too obsessed with her butt. Shota's repeated naughty actions on Yui's butt increased day by day, and Yui finally reached the limit of her patience. The comic version "Shota-kun's H Mischief" is now available on the e-book platform!