Saw the video and just had to post it, it's a great animation check it out on youtube!

XƎTЯOVerthink -《Link Click》饭卡 & 白鲨JAWS

Unknown (Till the end) - Unnämed cover

akugetsu covered monitoring by DECO*27 yippie!!!

From https://y.qq.com/n/ryqq/songDetail/000xcBgu0HPeZj

The opening song for the second half of Jibaku Shounen/Toilet-bound Hanako-kun: Season Two.