Responses
Spoilers.
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Well for starters Eclise hated Penelope in the beging he is faking it to get close to her and when he does like her it's 100% yandere. He will do anything to get her with him no matter if it hurts her or not. Aka he's the one who brings Yovonne back. It's okay though Callisto really is just great. If I had to describe thier personalities I would say Eclise is I will do anything to have you... yandere where Callisto is I would do anything for your happiness and life without you is hell.
Plus Eclise is being brain washed by Yovonne so I kinda forgive him.

eclis best boyyy (▰˘◡˘▰)