QQ Sweeper, Vol. 1  (English, Paperback, Motomi Kyousuke)

Supernatural cleaners Kyutaro and Fumi can literally sweep trouble away...but can Kyutaro sweep Fumi off her feet? In the old building at their school, a mysterious room has a door that beckons Fumi, even though she shouldn't be able to see it! Kyutaro goes in after her, but will he be able to save her before she's devoured by otherworldly creatures? In the old building at their school, a mysterious room has a door that beckons Fumi, even though she shouldn't be able to see it! Kyutaro goes in after her, but will he be able to save her before she's devoured by otherworldly creatures?