Quick Travel to Save Your Ex-Boyfriend

After tearing apart the system, Yan Jun entered the world of the system to save his former best friend and now fiancé. In these worlds, the protagonist Yan Jun always has a relationship with his lover, but his lover will always become his past tense and end miserably. At the critical moment, Yan Jun woke up and embarked on a journey to save his best friend. Concept: Love cannot be conquered