荒城幸也。作为DJ・Y’s而专心于音乐的中学3年级学生。从小就被禁止与他人牵手，至今不擅长与人交往。某一天，荒城幸为了能将与众不同的DJ直播给大家，进入了与这里不同的“那边的世界”。但是那里，对荒城幸也来说是被禁止进入的地方。

The original video that started this whole mess is deleted, but it’s too late: It’s already gone viral. Meanwhile, old friends gather and discuss Yukiya’s situation.

The battle against Hana and Senri reaches a climax. Just what is the Composer up to?

Koyori encourages Haruka to be true to her feelings. Tazuna informs his allies that the Okuike Group has plans for Ziggurat.

Yukiya receives an unexpected call from a representative of the Okuike Group. Midori wants to meet and explain what he’s after.

Reiji’s not going to sit on the sidelines when his son needs him. He’s coming along to help Yukiya save Haruka because that’s what parents do.

Yukiya and Haruka face off against their greatest challenge yet. DJ Nielsen, another irregular, is in their way And he’s not alone - Tazuna and Koyori stand with him!

It’s time to end this, once and for all. Who has the strongest will to see their wish fulfilled?

It’s time to end this, once and for all. Who has the strongest will to see their wish fulfilled?