the underworld; the netherworld

clear explanation; clear solution

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

spear

靖: a female given name

(colloquial) ます

安居: a surname / 安井: a surname

康胤: a male given name