Kayoko Oshimizu (押水 佳代子 Oshimizu Kayoko) is the wife of Tamio Oshimizu and the mother of Nako Oshimizu, Tomoya Oshimizu, Mana Oshimizu and the Unnamed Youngest Oshimizu Brother who works as a teacher.
Etymology[]
- The name Kayoko means "good, beautiful" (佳) (ka), "generation" (代) (yo) and "child" (子) (ko).
- Kayoko's surname Oshimizu means "push, stop, check, subdue, attach, seize, weight, shove, press, seal, do in spite of" (押) (oshi) and "water" (水) (mizu).