event, incident / matter, affair / scandal

後: a time after the present time

後に: subsequently, later on

later, afterwards, some time after the present

then / soon afterward; after that; thereafter

a surname / a place name

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

doing something later, producing something later; that which is done or made later / posterity, those who will live later, people in the future