nocturnality

(mythology) a vampire

to travel by night

Clipping of 百鬼夜行 (hyakki yagyō).

travelling by night / Clipping of 夜行列車 (yakō ressha).

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

sex, gender / (grammar) gender

night train