Exstetra follows Ryoma, a high school student chosen to become a Prisma, the savior destined to protect Amejia, a Tokyo fused with another world and doomed to destruction. During his journey, Ryoma meets future Prisma Knights who share his mission. By awakening their powers with a kiss, he joins them on an adventure to save two worlds. ◆ STORY ◆ Kiss her... It is the only way to save two worlds from ruin. Amejia was born from the fusion of Tokyo and another realm. As the chosen Prisma, Ryoma fights to prevent the extinction of both worlds. Find the friends drawn into Amejia and awaken their hidden powers as Prisma Knights through the power of a kiss. ◆ WORLD ◆ Amejia is a transformed version of Tokyo that has merged with another world. Featuring artwork inspired by Tokyo Fantasy, it offers a beautiful yet haunting world unlike any other. Explore reimagined locations such as Shibuya and Akihabara. ◆ DUNGEON ◆ Mysterious labyrinths stretch across Amejia. Battle monsters, solve puzzles, discover treasure, gather materials, and explore dangerous dungeons as you venture ever deeper. ◆ BATTLE ◆ The only way to save the world is a kiss! Fight alongside the Prisma K...