Riku Eda

Riku Eda (栄多 凌久) is a doctor who runs a clinic in Yura island and an insurance doctor at Kaijin Academy.

Personality
Riku is a pervert who throws vulgar jokes into conversations whenever he feels like it.

Etymology

 * The name Riku means "endure, keep out/keep (rain) out, stave off, tide over, defy, slight, surpass, eclipse" (凌) (ri) and "long time" (久) (ku).
 * Riku's surname Eda means "flourish, prosperity, honor, glory, splendor" (栄) (e) and "many" (多) (ta/da).

Trivia

 * Riku excels in oriental medicine.
 * Riku is good at performing treatments.