妹に怒られる姉が描きたくて。えっちなことじゃなくてもいいんだけど。

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Source: https://twitter.com/mutsu_XXXX/status/1104776023722213377
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I wanted to draw a younger sister angry with her older sister. It's fine if you're not ecchi as well.

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Source: https://twitter.com/mutsu_XXXX/status/1104776023722213377
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