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Anyway, I believe Liko's archetype in the anime is the proof of one of the higher-up's ego. Serena despite being so beautiful has failed to live up to her potencial because of her boring superficial character and that Higher-up decided to shove that same character on Koharu & Liko despite it failing with Serena.
Everytime I look at Liko, I feel that I am looking at the worst version of Serena.