河岸を変える: (idiomatic) find a new place for nighttime entertainment

(idiomatic) find a new place for nighttime entertainment

library (building)

花糸: filament (stalk of a stamen in a flower) / 貸し: loan, to make someone in debt / 菓子: sweet, confection / 歌詞: lyrics / 下歯: lower teeth / 仮死: apparent death, suspended animation / 樫: evergreen oak

ren'yōkei of 貸す: to lend / ren'yōkei of 化す: to transform / ren'yōkei of 課す: to impose

(archaic) Shows emphasis.

to return (something)

to repeat, to redo

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