The Merman's Dilemma

The white lion and the mermaid were once experimental subjects in the research institute. They relied on each other, but they also manipulated each other. Due to a misunderstanding, the mermaid injured the white lion, who vowed to seek revenge at their next encounter. However, when they meet again, the white lion can't help but protect his mermaid instead… (Source: Kuaikan, translated)