Tenn pays a sudden visit to the IDOLiSH7 dorms. Riku is simultaneously perplexed and delighted, but Tenn has harsh words for him. Later, Yuki, Momo, and Ryunosuke arrive. With members of IDOLiSH7, TRIGGER, and Re:vale at the dorms, the situation gets out of control...?!
That's why I forgot about the younger brother 
who couldn't run and recognized you as a rival.
لهذا نسيتُ الأخ الأصغر الذي لم يكن
يستطيع الركض واعتبرتك منافساً
Deshalb habe ich den kleinen Bruder
vergessen, der nicht rennen konnte,
Por eso mismo,
Por eso mismo,
C’est pour ça que j’ai oublié
mon frère incapable de courir
Ma proprio per questo, mi sono dimenticato di avere un fratello che non può correre,
É por isso que esqueci que era meu irmão que
não podia correr e o reconheci como rival.
Именно поэтому