American family of 5 looking for Helper in Tai Po

We are an American/Japenese Family with 3 children:  ages 1, 5 and 11. We are living in Tai Po.

Duties: care for 15 month old, 5 year old (school pick up), shopping, cleaning, cooking breakfast, dinner, box lunch for 11 year old.

We will teach how to prepare meals, recipes provided. Some experience with Japanese language/cooking helpful but not necessary.

Both husband and wife work; hours long, but no ironing, no pet care, no car washing, and extra holidays above statutory holidays given (both husband and wife are teachers and have longer than average holidays themselves.

Helper's room: full size room, bed, wardrobe w/ full length mirror, storage container, A/C, etc

Should be available ASAP