The Clan's Sacred Beast: Reborn As a Snake and Transformed Into a Dragon

[Divine beast, family story, group portrait story, system story, emphasis on family affection, non-cool story, no transformation, so... no female protagonist]

The protagonist felt that he was drunk and unconscious, otherwise how could he see trees hundreds of meters high, giants hundreds of meters high, and... himself having a tail?

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The protagonist is reborn as a snake, forming an inseparable bond with the Jiang family and awakening the clan's guardian beast system. From then on, the protagonist leads the family to prosperity, while he also gradually evolves from an ordinary snake into a dragon!