QuizKnock Collaborates with Regional Fish! Video Released to Learn About Breed Improvement in a Fun Way

baton Co., Ltd. (Headquartered in Shinagawa-ku, Tokyo; Representative Director: Yosuke Kinugawa), the operator of QuizKnock, collaborated with Regional Fish Co., Ltd. (Headquartered in Kyoto-shi, Kyoto; President and Representative Director: Tadamori Umekawa; hereinafter "Regional Fish") to release a YouTube video on Thursday, April 2, 2026.

This video was produced with the aim of deepening understanding of breed improvement. While agricultural and livestock products have undergone breed improvement over approximately 12,000 years of history, the history of complete aquaculture necessary for fish breed improvement is extremely short, only about 50 years. The video allows viewers to learn in an enjoyable way about how Regional Fish utilizes new technologies, such as accelerated breed improvement technology (genome editing technology), to perform breed improvement with superior traits in a short period.

**YouTube Video: [Super Gross] Guess What This Will Be! A Quiz by Eating the "Pre-Improvement" Original Species!** Today's quiz, presented by host Yoshiaki Yamamoto, is "Guess the Food Product from the Original Species." "Original species" refers to the wild species that were the basis for breed improvement in animals and plants. This time, participants challenge a quiz to guess what food product the original species became after breed improvement by eating the pre-improved original species! Takuji Izawa, Hirofumi Tsurusaki, and Toi Azuma use their five senses—seeing, touching, smelling, and tasting—to gather clues. Can they guess the answer from the few hints? Please pay attention to their reasoning skills and teamwork.

**[Video Outline]** - Title: [Super Gross] Guess What This Will Be! A Quiz by Eating the "Pre-Improvement" Original Species! - QuizKnock Performers: Takuji Izawa, Hirofumi Tsurusaki, Toi Azuma, Yoshiaki Yamamoto (Host) - URL: https://youtu.be/vb6-5ucMu50 - Release Date: Thursday, April 2, 2026

**About QuizKnock** QuizKnock is a media company that integrates entertainment and knowledge, operated primarily by quiz king Takuji Izawa. Under the concept of "learning that starts with fun," it daily disseminates articles and videos that provide opportunities to "know" something. Its YouTube channel (https://www.youtube.com/c/QuizKnock) has surpassed 2.6 million subscribers. Towards its 10th anniversary on October 2, 2026, the "QuizKnock 10th Anniversary Project" is underway.

**About baton Co., Ltd.** baton Co., Ltd. operates various services and produces content that connects play and learning, aiming to realize its vision of "a world where learning is like playing." Through services that combine entertainment and education, the company provides opportunities to unlock one's potential.

**Contact for this matter:** baton Co., Ltd. Public Relations Team Email: qk_media@baton8.com

**Company Overview** Company Name: baton Co., Ltd. Established: October 2013 Representative Director: Yosuke Kinugawa Corporate Website: https://baton8.com/