JROCK NEWS https://www.jrocknews.com/2016/10/micro-head-4n-reveals-new-single-deeper-black-yamiiro-no-tsubasa.html
Japan FM http://www.japanfm.fr/article-3033-nouveau-single-pour-the-micro-head-4s.html?langue=English (英語)
http://www.japanfm.fr/article-3033-nouveau-single-pour-the-micro-head-4s.html?langue=French(フランス語)
JaME e-details-on-the-micro-head-4n-s-new-single.html"" href="http://www.jame-world.com/us/news-122973-more-details-on-the-micro-head-4n-s-new-single.html" target="_blank">http://www.jame-world.com/us/news-122973-more-details-on-the-micro-head-4n-s-new-single.html
Vkei-Guide http://www.vkeiguide.com/v-kei-news/the-micro-head-4ns-new-single-out-on