Who Taught This Fool to Cultivate Immortality?

【Fool + Rural Fantasy + Multiple Heroines】 “Master’s wife, you wouldn’t want all your master’s hard work to go to waste, would you?” “Fairy, you wouldn’t want anyone to find out about this, would you?” “Senior Sister, you wouldn’t want to lose your immortal post, would you?” Xu Jing was the town’s most famous fool, but his stunningly beautiful master’s wife tricked him into dual cultivation to save herself! She’d meant to drink poison to quench her thirst, but it turned into a mighty, rushing river! Not only did Xu Jing awaken his Eternal Saint Physique, but the fool also became invincible in the world! Master’s wife, I’m not a fool anymore!