The contest, held on the sidelines of Japan's first ever expo on the business of death and dying, was aimed at winning back public interest in funeral services offered by priests and monks as more people seek alternatives to traditional burial customs.
Wearing pale gold, purple, or black and white robes, the eight monks walked calmly onto a stage one by one, bowing to an audience of about 100 people with their palms together.
They then proceeded to give short sermons and also chant solemn sutras and Buddhist songs, key requirements for conducting wakes and funerals according to the rites of the ancient religion.
"Ha!" he shouted, followed by the cacophonous sound of tiles shattering.
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"I'm sorry to have frightened you," he added calmly.
The event was held in conjunction with the Life Ending Industry Expo, which attracted more than 200 companies involved in the business of death and funerals.
It followed another unique competition the previous day that highlighted the work of the declining number of specialists who prepare the dead for Buddhist funerals and cremations.
"It's getting more and more difficult for monks to maintain their temples as a business as the temple memberships are declining, especially in the countryside," said Mayumi Tominaga, a spokeswoman for the event.
"The number of people who die will peak in 2040 in Japan, but many elderly people are choosing to stop using their ancestral tombs," she said.
The winner of the "Beautiful Bozu (monk) Contest" was Shouyo Takiyoshi from a temple in northern Hokkaido, who sang melancholic Buddhist songs.