Yumiko Shindou

Yumiko Shindou resides on an isolated island research facility alongside her husband, the institute's director Seiji Shindou, and holds the role of aunt to the enigmatic genius Shiki Magata. Known for her poised elegance and talent in crafting delicate sweets, she carries the weight of a dark memory—having witnessed Shiki's patricide fifteen years prior. Despite this trauma, she has continued to treat her niece with unwavering warmth. When investigators Saikawa and Moe arrive to unravel the island's mysteries, Yumiko proves invaluable, sharing critical insights into Shiki's turbulent past and her complex multiple personalities.