Same designer. I think Shimada did all the European Axis ships in KanColle so far, in fact, which is the joke behind Princess Eugenie von Preußen in OWaW. The Italian destroyer Libeccio is basically Lucchini with a palette shift, which caused a lot of "oh come on, is he even trying?" type bitching when she came out.

That said, people in the fandom take poor Lebe for a trap a lot more often than they do Erica (ugh, fandom), and any resemblance Yuu has to Eila is... um... blunted somewhat by her remodel, Ro-500. :)

--G.
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Benjamin D. Hutchins, Co-Founder, Editor-in-Chief, & Forum Mod
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