Boukensha ni Narenakatta Ore, Skill "Oppai Kyousei" de Nayameru Ano Ko wo Hitodasuke!?

It has been more than ten years since dungeons suddenly appeared on Earth. In a world where those with superior skills become adventurers, Takeshi Miyamoto, a high school boy, awakens with his skill of...... "Breast Correction"? Takeshi is perplexed by this unique ability, which he has never seen or