Yoimiya is the current owner of Naganohara Fireworks. Known as the "Queen of the Summer Festival" on Narukami Island, she is loved by everyone for her colorful fireworks and outgoing personality. Yoimiya is a talented pyrotechnician who fills every summer festival with fiery passion. Her uncompromising childish innocence and obsession with craftsmanship intertwine to create a spectacular blaze.