生者: living thing / 盛者: prosperous person / 精舎: temple, monastery

赤穂義士: loyal retainers of Akō Domain, famously known as the forty-seven rōnin

嵐山: A place name, such as the mountain or the district in western Kyoto. / 嵐山: name of a Noh play / 嵐山: a surname

水性:

自然人:

What's up?; what's the matter?; what's wrong?; what happened?; what's the problem?

研修: in-service study and training

研修: study and train for work

真木柱, 槙柱: thirty-first chapter of The Tale of Genji

敵襲: an enemy attack