Yoshida Mansion, originally written by Yozakura Yuno, Volume 1 of ``The swordsman who returned from another world doesn't realize his own abilities - When I returned after receiving a hidden SSS rank quest, I became a level 1 F-class explorer, but the swordsmanship I trained in the other world was so strong that the princesses and S-class heroes wouldn't let me go.'' Volume 1 was released today, April 9th.

Yuta Akizuki, the “weakest explorer” whose all abilities are subject to a fatal negative correction. For the sake of his sick sister, he worked hard to conquer dungeons even though he was ridiculed by those around him. One day, Yuta comes to a dungeon after hearing that there is an item called ``Goddess Drops'' that can cure all kinds of illnesses, and ends up accepting an extremely rare hidden quest. What awaited Yuta, who was transferred to another world, were days of hard adventure as he continued to battle countless strongest monsters. After completing his quest, Yuta returns to find that he has mastered extraordinary sword techniques at level 1... The work is being serialized on Niconico Manga's Wednesday Sirius.