House Wellness Foods Co., Ltd. will launch a new web commercial (30-second and 15-second versions) for "C1000 Vitamin Lemon" featuring Daichi Shiozaki (Shiozaki Daichi) on various digital platforms starting June 29, 2026 (Mon). 【From the new C1000 Vitamin Lemon web CM "The Secret to Feeling Great"】 Available from 4:00 PM on June 29, 2026 (Mon) at the following site: https://c1000.jp/ ■ About the New Web CM The commercial expresses a world where enjoying daily life with "C1000" brings a slightly more positive and cheerful mood. In the new CM, Daichi Shiozaki plays a high school student, portraying various moments of youth where a sense of cheerfulness spreads with "C1000." From playful moments with classmates in the classroom to laughing heartily together, Shiozaki's diverse cheerful expressions and lively scenes are highlights. With the new tagline "Gokigen More, Continuing Life!", the CM conveys the message: "Youth is fleeting, so let's live every day cheerfully with C1000." ■ Overview of the New Web CM Title: C1000 Vitamin Lemon "The Secret to Feeling Great" Campaign Starring: Daichi Shiozaki (M!LK) Release Start: From June 29, 2026 (Mon) Platforms: YouTube, X, TikTok, Instagram, and various digital platforms Video URL: Available from 4:00 PM on June 29, 2026 (Mon) at the following site: https://c1000.jp/ ■ Behind-the-Scenes Highlights ■ Director and crew dazzled by Shiozaki's comedic performance Scenes of Shiozaki dramatically raising his hand during class and making funny faces to make friends laugh brought instant brightness and energy to the set. Shiozaki's natural and comedic reactions were so infectious that they made everyone on set smile. The director repeatedly exclaimed, "That's amazing!" "Perfect, absolutely perfect!" and the entire crew was beaming. Shiozaki's charm—his earnestness and comedic flair—is packed throughout the CM. ■ Exclusive Interview with Daichi Shiozaki! To commemorate the launch of the new C1000 web CM, we are releasing an exclusive i