atsutaka is a user on mastodon.cosmicanimal.jp. You can follow them or interact with them if you have an account anywhere in the fediverse.
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"固体だから"、"ちゅうごくの民間だから"とか言うのは、負け惜しみにしかならんよなぁ。
https://mp.weixin.qq.com/s/Hu0Hld_z5MLL2PkdI6awfg
