Miyu Tomita

A continuation of the epic adventure of plucky Riko and Reg who are joined by their new friend Nanachi. Together they descend into the ...

Despite its myriad dangers, the Abyss still captures the imagination of young explorers like Riko, who wishes to follow in her mother’s footsteps ...

The mystery surrounding her mother’s supposed death deepens as Riko learns the truth of her disturbing origins in the deadly and mysterious ...