木更津からさらに南へ。内房線・外房線の全通が近づいてきました。<br />前：木更津ー青堀→<a href="https://www.nicovideo.jp/watch/sm20108485" class="watch">sm20108485</a>　後：上総湊ー堀田→<a href="https://www.nicovideo.jp/watch/sm20179804" class="watch">sm20179804</a><br />関東JR＆私鉄→<a href="https://www.nicovideo.jp/mylist/15348183" target="_blank" rel="noopener">mylist/15348183</a>＆<a href="https://www.nicovideo.jp/mylist/14882827" target="_blank" rel="noopener">mylist/14882827</a>　マイリス1･2･3･4･5･6･7･8→<a href="https://www.nicovideo.jp/mylist/8148525" target="_blank" rel="noopener">mylist/8148525</a>&<a href="https://www.nicovideo.jp/mylist/9961604" target="_blank" rel="noopener">mylist/9961604</a>&<a href="https://www.nicovideo.jp/mylist/19397711" target="_blank" rel="noopener">mylist/19397711</a>&<a href="https://www.nicovideo.jp/mylist/10367690" target="_blank" rel="noopener">mylist/10367690</a>&<a href="https://www.nicovideo.jp/mylist/10814163" target="_blank" rel="noopener">mylist/10814163</a>&☆<a href="https://www.nicovideo.jp/mylist/10006385" target="_blank" rel="noopener">mylist/10006385</a>&<a href="https://www.nicovideo.jp/mylist/6587395" target="_blank" rel="noopener">mylist/6587395</a>&<a href="https://www.nicovideo.jp/mylist/9304817" target="_blank" rel="noopener">mylist/9304817</a>　一覧→<a href="https://www.nicovideo.jp/user/5903512" target="_blank" rel="noopener">user/5903512</a>