Mrs. Satou

Mrs. Satou is Lilly's & Akira's Scottish Mother. While it's never mentioned in the game itself, the devs have stated that her first name is Karla. The 2 scenes she appears in are Dissonance, and A world away. Both scenes being in Lilly's route.

Mrs. Satou greeting Hisao in-game

Karla (and a young Akira) as depicted by cyzirvisheen

Pre-Katawa Shoujo Events

Prior to her time in Scotland she was a journalist, and at some point she met a Japanese businessman who is revealed to be Hiroyuki Satou. The two eventually got married and moved to Japan. Here their first daughter Akira was born. After seven years their second daughter Lilly was born. Twelve years ago they lived together like a normal happy family until she and her husband moved back to Scotland when her husband's business required them to relocate. Lilly and Akira chose to remain in Japan.

Trivia

• On an Ask.fm page, Suriko was asked the last name of Lilly's mother before she got married. Suriko replied "Never really thought of one during development. I guess it can be Thomson."