to play house

mainly

坂本, 阪本, 坂元, 阪元: a surname or place name / 酒本, 酒元: a surname or place name

裕仁: the 124th emperor of Japan, who reigned from December 25, 1926 to his death in January 7, 1989; also known as Emperor Shōwa (昭和天皇)

寝取られ: (sex) being cuckolded

乙姫: youngest princess

新党: new party / 親等: degree of kinship / 浸透: permeation / 心頭: heart / 神灯: sacred light / 新刀: newly-made sword / 深悼: Extreme grief, deep mourning. / 神灯: A holy flame set to honor a kami (spirit or god).

神道: Shinto

浸透: permeate

刀鋸: a blade and saw; such weapons as used for punishment and torture in ancient China / 逃去: leaving a place by running away, fleeing / 淘去: washing away