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Although the Tokyo Olympics was postponed for a year, Yang Hak-seon and Yeo Seo-jeong, who are called `` Birth-brothers and sisters, '' were rather opportunities and pledged to prepare more thoroughly.

This is reporter Kwon Jong-oh.

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Jincheon Athletes' Village was closed due to the Olympic acting, but Yeo Seo-jung, a senior in high school, became busier.

High-intensity training is the basics and you should also take online classes starting yesterday.

The focus of training is strengthening the lower body muscles and improving wits.

It is also important to accurately analyze muscle strength using advanced equipment.

As we have secured another year, we plan to significantly increase the success rate of the main weapon, 'Yeoseojeong Technology'.

[Yeo Seo-jung / Women's gymnastics national team: The leap speed should be a little faster, and the timing of reaching is good, so I think the technique behind will be good.]

Yang Hak-sun, the “God of Thomas,” who returned to his team, is in full swing with his colleagues.

When I heard about the Olympic acting, at first I was burdened by the age of thirty next year, but now I think it's an opportunity to equip my spleen with new weapons.

This is because they have had time to cultivate Li Xiaofeng technology, which is 0.2 points more difficult than Lopez, the second-generation technology.

[Yang Hak-sun / National Gymnastics National Team: I felt like a rival myself when I felt at the World Championship last year. I think I'm a rival myself because it's a success to make all the acting I can show.]

Yang Hak-seon puts his will to win the second gold medal on his chest.

JEONGJEONG challenges women's gymnastics for the first Olympic medal.

'Toma Siblings' dreams of accompanying Tokyo myths.

(Video coverage: Wonbae Kim, Video editing: Eunjin Choi)