My Newborn Partner Is Way Too Strong

Escaping a brutal daily life, あなた finally became the dungeon explorer you'd always dreamed of being. But cornered on the shallow floors by a massive magic beast, you find yourself in a desperate, life-or-death crisis. At that very moment, what hatches from the mysterious egg you picked up is a tiny divine beast named Lux. "Don't you touch my precious partner!" Unleashed from something palm-sized, an absurdly powerful burst of divine flame obliterates the monster in a single strike. Together with your strongest, fluffiest partner who innocently clings to you for affection, an adventure to conquer the unexplored Great Labyrinth begins!