There are many pages with "wata" (綿, lit. cotton) in the title. You may be looking for:
- the event Watanagashi/Cotton Drifting Festival
- Watanagashi/Cotton Drifting Arc, the second arc in the Higurashi no Naku Koro ni Question Arcs
- Watadamashi/Cotton Deceiving Chapter, the second arc in Higurashi: When They Cry - GOU
- Wataakashi/Cotton Revealing Chapter, the second arc in Higurashi: When They Cry - SOTSU