Rurumo sneaks into the soul crystal vault in order to steal Kota's soul crystal and speak to him one last time. However, she is discovered by the first class witches guarding the vault. They are just about to arrest her, when...
They pass through the ducts 
attached to the wall,
Pasan por los ductos fijados al muro,
Elas passam pelos dutos presos à muralha,