Prussia/S.Italy - Romano becomes hypnotized and believes he is Prussia's sex slave.
Natural Medicine
link S. Italy/N. Italy - (the original prompt has been deleted)
Brothers
link Spain/S. Italy - Punishment/torture noncon.
Room 101
link kid!Spain/ kid!S.Italy - Spain is a kid again.
Spain's Awkward Passion = Romano's Confused Pain (art)
link Spain/S. Italy + America/England - Romano and US plan on getting their partners jealous.
Little Favours
link