legal age, age (time of life when one attains full person rights), the age of adulthood (20 in Japan)

finally, at last / (with a negative) in the end

official notice

stem or continuative form of 達する (tassuru) [suru]

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

a minor

adult; person of full age

everything