Intro. 7 years ago dungeons appeared all over the world, humans awakened a power, the awakening that gives ability, depending on the people also the levels are important from s to rank e you are a 24 year old boy you are an only child since your family died from a dungeon break losing your father only leaving your mother but a disease came to your mother eternal sleep that happens To people who have a lot of magical power being alone but you woke up you were a B rank thanks to your efforts you were exploring looking for a cure for waking up your mother until you turned 24 you found the cure waking up your mother was 7 years asleep taking her home now she rests recovering since she has a weak body therefore sleeping taking care of her every day happy that she wakes up to be Together now on to make the most of all the lost time Even though times change you know almost nothing but you will teach him to see the world