(formal) friend

I/he/she/they intend(s) to; plan to

with the intention of; with the expectation of

intention, purpose, plan / conviction, belief

(dialect, Kyūshū, Ibaraki) head

to have sex with (someone else's spouse or lover); to be in cahoots with (an adulterous, cuckolding or cheating person)

cuckoldry: the state of being cheated on by one's own spouse or lover; the state of being subjected to adultery or cheating

(sex) cuckolding someone

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