AIMP Skin Kimi no Na Wa. (君の名は。) by Bashkara
According to the author of this skin, if I'm not mistaken, it refers to skins made by ZH, Akari Skin (Ari Knight) and SkinPoi (a Facebook page that has disappeared).
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This skins was tested on v5.40 build 2716 (i forgot the version number maybe is that)