As the other members of DearDream become busy with individual projects, Kanade is still searching for something he can do. He talks to the members of their senpai unit ACE about his concerns, and they tell him about a secret reference room hidden in the D-Four office building...
How do you get stranded in 
your own agency building?
كيف تعلق في مبنى وكالتك؟
Wie kann man nur in der
eigenen Agentur festsitzen?
¿Cómo puedes quedarte
encerrado en tu propio edificio?
Come si fa a rimanere chiusi
nella propria agenzia?!
Como que alguém fica preso 
 no prédio da própria agência?