準備体操はしっかりね！

■Twitter
https://twitter.com/horin2509_sub/status/1517847449226051584

■ニコニコ静画
https://seiga.nicovideo.jp/seiga/im10939961

One must do the proper warmups, yeah!

■ Twitter:
https://twitter.com/horin2509_sub/status/1517847449226051584

■ NicoNico Seiga:
https://seiga.nicovideo.jp/seiga/im10939961