| Blog | https://the-end-of-hym.blogspot.com/ |
| Twitter | https://twitter.com/LLLVHyH1a5q2rR4
https://twitter.com/HYM23744868
https://twitter.com/NoboruSadaguchi |
| Niconico | https://www.nicovideo.jp/user/116394292
https://www.nicovideo.jp/user/127386436 |
| Soundcloud | https://soundcloud.com/hym-139422695
https://soundcloud.com/duphv3wmbvz7 |
| Youtube | https://www.youtube.com/channel/UCLd0Y5icjlKAT4nhTWwxtwQ
https://www.youtube.com/@user-kd9vw4td4u |
