Thread:Rocketmanwikia/@comment-26513695-20150710163007

I haven't been able to find much information on Saku's mother. Kahoru Ooyagi, or Ooyagi Kahoru (大八木かほる in kanji), is definitely her full name. According to Reiko Takagi's Japanese Wikipedia page, she's the voice actor for Kahoru. That's about the only useful info I could get. I'll keep looking around but I don't think there's much more to find. 