I Stepped on a Bug, and the System Says I Slayed a Dragon? - Chapter 7: Respected Host, You Are So Mighty

From childhood, Sonny Crow had known he was different from everyone else. He also understood, in a quiet, unsettling way, the path his life was heading down. As a result, everything around him felt mediocre, empty, and without meaning.However, who could have guessed that a single, fateful ride on a bus would completely change the way he saw the world?

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]

Dreaming back to the Tang Dynasty, being an ordinary person, greedy for money, lustful, debauched and free.

- Description from novelbuddy

Kawaki, who was born in the dragon vein of a planet (Altana), first met Umibozu who was traveling in the universe, and his girlfriend, Kouka.Later, he came to Earth by accident and met the teacher who affected his life —Yoshida Shouyou.He also met a group of friends. The most conspicuous among the group of friends is a fool with silver hair and naturally curly hair, a short man with purple hair, and a little devil whose catchphrase is “Not Zura, it's Katsura!”Gintama Doujin, not transmigration.