Absence, Away From Home
noun, verbal noun
You have gotten a mission. You must go out and detain a dangerous criminal to protect your country. While you go do that, you will be away from home and have an absence from society.
るす
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
コウイチの家に行ってみたけど、留守でした。
I visited Koichi's house, but he was not there.
留守中に、友人が訪ねてきたようです。
It seems like a friend visited while I was out.
母は買い物に出かけているので、私と妹が留守番をしています。
My mom is out shopping, so my sister and I are house sitting.