Riko is the only child of Lyza the Annihilator, one of the most famous White Whistle Delvers, and Torka, a Delver who passed away before her birth. When Riko was just two years old, Lyza undertook her Last Dive into the Abyss, leaving Riko in the care of the Belchero Orphanage in Orth. Growing up surrounded by tales of the Abyss and its wonders, Riko developed an intense fascination with its mysteries. Her upbringing at the orphanage, combined with her innate curiosity and love for exploration, inspired her dream of becoming a White Whistle like her mother. Despite her young age and inexperience, Riko demonstrates remarkable determination and resilience, qualities that set her apart as she embarks on her perilous journey.

Riko’s journey truly begins when she discovers Reg, a robotic being of unknown origin, in the upper layers of the Abyss. Reg’s presence and abilities provide her with the means to descend into the Abyss in search of her mother, despite the countless dangers and challenges that await her.

Riko has a petite build and youthful features, befitting her age. She has short blonde hair and wears round glasses that give her an endearingly studious appearance. Her bright eyes reflect her boundless curiosity and optimism.

Her usual attire consists of her Delver uniform, which includes a red jacket, shorts, gloves, and sturdy boots designed for exploring the rugged terrain of the Abyss. She also carries a small backpack filled with essential tools and supplies for survival.

Riko is adventurous, curious, and unyieldingly optimistic. Her boundless energy and enthusiasm for exploration often mask her underlying insecurities about living up to her mother’s legacy. Riko is highly intelligent and resourceful, using her knowledge of the Abyss and its ecosystem to navigate its many dangers.

Her compassionate and empathetic nature allows her to form strong bonds with others, including her companion Reg and those she meets during her descent. Despite the often harrowing experiences she faces, Riko’s determination and resilience push her forward, showcasing her remarkable courage in the face of the unknown.

Discovery of Reg
Riko’s story begins in Orth, where she trains as a Red Whistle at the Belchero Orphanage. While exploring the Abyss’ upper layers, she discovers Reg, a mysterious humanoid robot with extraordinary abilities. This discovery sets the stage for her journey, as Reg becomes her closest companion and protector.

Descent into the Abyss
When Riko receives a letter believed to be from her mother, Lyza, inviting her to the Abyss’ depths, she resolves to embark on a journey to find her. Accompanied by Reg, Riko descends into the Abyss, encountering its many layers and uncovering its secrets. Her journey is fraught with danger, including encounters with hostile creatures, environmental hazards, and the effects of the Curse of the Abyss.

Uncovering the Abyss’ Secrets
As Riko delves deeper, she learns more about the Abyss’ enigmatic nature, its devastating effects on those who attempt to ascend from its depths, and the truth about her mother’s legacy. Riko’s journey becomes a tale of self-discovery as she grapples with her own vulnerabilities and aspirations.

• Lyza the Annihilator
  Riko idolizes her mother and dreams of following in her footsteps as a White Whistle. Her desire to reunite with Lyza drives much of her journey.

• Reg
  Reg is Riko’s closest companion and protector during her journey into the Abyss. Their bond grows as they face countless challenges together, with Reg serving as a source of strength and support for Riko.

• Pioneers of Orth
  Riko’s interactions with other Delvers and inhabitants of Orth, such as her friends at the orphanage, showcase her deep connections to the people in her life and her desire to make them proud.