"Disciple, have you encountered another bottleneck in your cultivation?"
"... Master, are you really going to deliberately dismantle me? Can't you just pretend you don't know?"
"Hey, disciple, come here."
"... Master, why are you taking off your clothes?"
"My teacher, I remember correctly, my disciple, your magic cultivation technique is based on dual cultivation."
"... Oh, oh, oh, oh, brother, help me! Master, are you cold..."
"Disciple, won't you run away?"
"Uh-huh! Uh-huh!"
"No... This rope cannot be untied. Being a master... Will make my disciple happy."
"... QAQ"
Open a pit, practice cultivation, 1v1, the master's CP remains unchanged, and the heroine is not a time traveler.