Sign-In at a Forbidden Zone from the Start, Invincible the Moment I Emerge!

[Dual cultivation, harem, genius, invincible, System] Shen Qingxuan transmigrates to a world of immortal cultivation and is framed and hunted by his family from the start, leaving him no choice but to flee into a forbidden zone. Fortunately, he awakens the Myriad Worlds Sign-In System. As long as he signs in at special locations, he receives rewards based on his cultivation level! He can even practice dual cultivation in the forbidden zone, spending every night in blissful passion! “Ding! Sign-in successful. Obtained the Pure Yang Sacred Constitution!” Junior Sister Jiang Yurou: “The Pure Yang Sacred Constitution is the best. It makes you especially capable!” “Ding! Sign-in successful. Obtained the Heaven-Swallowing Immortal Art!” Sect Master Yun Youyao: “You unworthy disciple, are you trying to drain your master again?” “Ding! Sign-in successful. Obtained the Grand Void Sword Case!” Fairy Dongfang Huaixue: “Fellow cultivator, might I borrow your sword case? I could...” Before long, Shen Qingxuan leaves the forbidden zone and discovers that he has become invincible under heaven...