[modify] change default operator to 'AND'
[modify] change default operator to 'AND'

itowtips/shirasagi,itowtips/shirasagi,shirasagi/ss-handson,MasakiInaya/shirasagi,tany/ss,shirasagi/ss-handson,mizoki/shirasagi,mizoki/shirasagi,shirasagi/ss-handson,ShinjiTanimoto/shirasagi,ShinjiTanimoto/shirasagi,sunny4381/shirasagi,itowtips/shirasagi,ShinjiTanimoto/shirasagi,shirasagi/shirasagi,shirasagi/shirasagi,tany/ss,mizoki/shirasagi,shirasagi/shirasagi,sunny4381/shirasagi,mizoki/shirasagi,ShinjiTanimoto/shirasagi,shirasagi/ss-handson,sunny4381/shirasagi,shirasagi/shirasagi,sunny4381/shirasagi,tany/ss,MasakiInaya/shirasagi,tany/ss,MasakiInaya/shirasagi,MasakiInaya/shirasagi,itowtips/shirasagi