"Prism Garden ― Flowers Blooming in the Light Garden, a Petal of Thought" is a yuri-themed exhibition hosted by Melonbooks from May 2 to May 6, 2026, at Omiya Sonic City in Saitama Prefecture. This article records the experience of visiting the exhibition on May 3, 2026, introducing the reproduction original art display area, shikishi board display area, work signboard photo spots, admission bonuses, photo spots, autograph boards, and merchandise. It highlights works such as "Happy Sugar Life," "There's No Way I Can Have a Lover! Or Maybe There Is?," and "I Want to Love You Till Your Dying Day." The overall exhibition was rich in content, making it an event worth attention for yuri enthusiasts.