I Who Couldn't Become an Adventurer, Will Save People With My [Boobs Correction] Skill!? is a Manga/Manhwa/Manhua in english language, Comedy series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

More than ten years have passed since dungeons suddenly appeared on Earth. In a world where people with excellent skills play an active role as adventurers, the skill that high school student Takeshi Miyamoto has discovered is... "breast correction"!? Takeshi is confused by the unique skill he has never seen or heard of. But there seems to be a surprising number of girls who need it.