Monster Synthesis Master - Chapter 904

The leaves of the chess game beside Lanke, and there is no one playing chess among the old trees
Xing caused Tian Yuan’s first son, and then looked back at the vast mountains and seas
When he woke up, Ji Yuan became a half-blind beggar in a dilapidated mountain temple.
A real person has a sword and a magic stick has a mouth, which is the foundation for Ji Yuan to settle down in this terrifying world.

- Description from novelbuddy

In a world of wizards and witches, Jaegar undergoes reincarnation and enters a mysterious realm. Driven by a desire for pleasure, he embarks on a journey of self-discovery, encountering challenges and uncovering secrets along the way. As he explores the magical arts, Jaegar's pursuit of pleasure shapes his choices and drives him forward, leading to both fulfilment and consequences. This is a story of a young man's quest for pleasure in a new and enchanting world of wizards and magic.

After transcending to a new world, Ye Xuan miraculously obtained the Swallowing System.

The villainous young master Dark Demon finally recalled the memories of his previous life at the sorting ceremony of the Dueling Academy. He was reborn in a very strange Galgame world.

And he was the ultimate villain in the game, the Demon God of Seven Original Sins!

Superbia、Invidia、Ira、Accidia、Avaritia、Gula、Luxuria！

Once any one of these seven indicators broke through the critical value, he would irreversibly transform into the Demon God!

In the era of Saint Marian, where the demons had been completely destroyed and the demon king had fallen into eternal sleep, no heresy was allowed to survive!