Riku's parents (Stygian Solace)

Riku's parents live in the Destiny Islands in Stygian Solace.

Chapter 2: The Sky's Feelings
Riku's father abuses his son verbally and physically for the boy's homosexuality. Meanwhile, his mother sobs, wondering what she did wrong while raising him.

Riku's parents are apparently prestigious in the Destiny Islands' society, but hide Riku from the public eye. Riku's father wants him to follow in his footsteps, studying things like physics and law.