Starting With Awakening In The Classic Of Mountains And Seas summary:

In a world where the monster you choose defines you, and where you can only tame one creature, Fang Yuan finds himself in a realm dominated by magical beings. He is perceived as weak and marginalized by all, but he awakens the Classic of Mountains and Seas system, enabling him to tame an infinite number of monsters and even upgrade them. This is Fang Yuan’s journey to conquer the world.---Alternative Raw: (https://manga.bilibili.com/detail/mc34130) | (https://www.kuaikanmanhua.com/web/topic/22084/)