My Opening: No Erasure

My first time entering the world of reincarnation He accidentally came into contact with the ancient book collection in the village and released the final BOSS. As a result, everyone died, including the BOSS. I still managed to survive, but now I got stuck in the main god space bug. You are exempt from erasure within 24 hours of entering the world of reincarnation for the first time, and the result of death is a world reset. What to do? The gods have arranged reincarnation tasks again. "I may be quick, you have to bear with me." Feel the thrill of unlimited speedrunning, unlimited perfect starts, 999 with one sword, wild boar bursting with dragon-slaying sword! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.