ranma 1/2 kessen tougenkyou! hanayome wo torimodose!
Ranma 1/2 movie from 1992, when poetry-spouting swordsman Tatewaki Kuno invites Ranma and the others for a jaunt on his new luxury yacht, the last thing the group expects is a sudden storm to shipwreck them all on a deserted island. However, fixing the boat to get home soon becomes the least of their worries, as all the young girls in the group begin to disappear. They have been bride-napped by Prince Toma, the youthful ruler of a floating island, Togenkyo. Because of a magical spring which turns anything it touches instantly male, would-be bridegrooms kidnap girls.
This tag implicates ranma_1/2 (learn more).