Strange Journey to the West: I Have a System

The protagonist is transported to a strange world and binds with a system. He meets Tang Sanzang and Zhu Bajie, rescues Sun Wukong, tears up a contract, breaks through a time-loop village, stays overnight at the Shadow Devouring Inn, fights the incarnation of Tathagata's thought at Two-Fork Ridge, gains the power of the Tightening Spell, upgrades his system, passes through Double Fork Ridge, and sneaks into Chang'an to rescue Wei Zheng. — Description from novelcodex.org