MTL - Transmigrating as the Younger Sister of a Bigshot with Multiple Identities - Chapter 5 it's not fair to my sister

When the rifts between worlds opened, countless monsters flooded through, engulfing human cities and plunging the world into chaos. Faced with this apocalyptic crisis, humanity was forced into a new era where every individual had to choose a profession. Nations now compete to cultivate elite practitioners, striving for supremacy in the rankings of alternate world conquests.But as the world teeters on the brink, the first and greatest champion awakens after a million years of slumber—armed with untold buff amassed from his millennia of AFK grinding.The bosses of the otherworld tremble in fear. Global T0-ranked powerhouses bow down, offering their loyalty...[Disclaimer: Here countries fight against each other and this is adapted into a Manhua.][Schedule: 2 Chapters/Day]

Su Yang was an average university student in Shanghai when he received a system that allowed him to add points to things. The point system provided him with missions and by clearing them, he would gain points.

Huang Dan’s pain nerve is innately different from the ordinary people. A little tore in his skin can cause him to sweat all over his body painfully to the point of him unable to make a word out.

Somehow, he began to cross world, following Mr. System to do the tasks…

In the first world, Huang Dan realizes what it means to die painfully and to live to die again.

TL’s summary:
MC suddenly transmigrated and is bind to a system, requiring him to solve mysteries. Born with a higher degree of pain sensitivity, he met different people in the different worlds and learns what kind of emotion smiling is.

- Description from Novelupdates

A Low-Stakes, Cozy, Slice-Of-Life Travelogue AdventureJohn, a 37-year-old widower, discovers the extraordinary power to travel between worlds via dimensional Gates. Overwhelmed by the sorrow of losing his wife and the pain of his past, he wants to leave Earth behind. After some research and training, he embarks on a journey to explore different worlds.Though John’s class could become incredibly OP, he doesn’t care about fighting, becoming a hero, or gaining power. His journey is about healing, rediscovering life’s simple joys, and exploring the magical wonders of the multiverse. Traveling at a slow, steady pace, he meets new people, helps others as a healer or doctor when he feels like it, and reflects on his experiences through a diary-style narrative. This is a tale of introspection and self-improvement, focused on exploring both the multiverse and Earth.This isn’t a story of epic battles, grimdark themes, or becoming a superhero. Instead, it’s about traveling with friends, trying new foods, learning magic, and shopping—lots of shopping. Through these adventures, John’s story highlights how small moments bring joy and purpose, proving discovery doesn’t require grand conflicts but thrives in the extraordinary and the everyday.