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|Voice Actor|| Yūko Minaguchi|
Seun Hui Mun
|Birthday||September 23 (Libra)|
|Relatives||Nayuki Minase (daughter), Yuichi Aizawa (nephew)|
Akiko is a light-skinned young woman with purple-tinged blue hair that she keeps hers in a long braid, which she usually places over her right shoulder (instead of letting her hair fall down like Nayuki Minase's hair) with parts of her bangs at the middle where flows down the sides (just like Nayuki's hair), light blue eyes, she is slightly taller than Nayuki and she is usually seen smiling.
She most often wears a light pink cardigan over a white, long-sleeved shirt.
Akiko is a kind and caring person who is a great cook and she is proud of her special and mysterious jam, which no one likes. It's unknown if she has tasted it or if she likes it.
Since she is a mother, Akiko is adept in household work and is always willing to be there for her family for moral support. Akiko also treats Makoto Sawatari and Ayu Tsukimiya as if they were a part of her family.
- The name Akiko means "autumn" (秋) (aki) and "child" (子) (ko), which reflects on her calm demeanor and birth date.
- Part of the name Aki can also mean "second, Asia" (亜) (a) and "hope" (希) (ki).
- Akiko's surname Minase means "water" (水) (mina) and "swift current, rapids" (瀬) (se).
- “Welcome home. You look like you’ve had a hard day.”
- “Then maybe she’s been waiting all this time for you to come back, perhaps.”
- “Yuichi san, it’s not nice to doubt people’s word.”
- “I can’t be a replacement for your mother, but I think I can be something like family.”
- A long time ago, a child climbed that tree and fell while she was playing… They cut it down so the same thing wouldn’t happen again, but the girl who had fell from that tree back then… She lost consciousness for 7 years, but they say she woke up this morning… I’m sure that girl’s name was…"
- Akiko is the younger sister of Yuichi Aizawa's mother
- Akiko notably has no interactions with Mai Kawasumi
|Main Characters||Ayu Tsukimiya • Nayuki Minase • Makoto Sawatari • Shiori Misaka • Mai Kawasumi • Yuichi Aizawa|
|Supporting Characters||Akiko Minase • Sayuri Kurata • Kaori Misaka • Mishio Amano • Jun Kitagawa • Kuze • Piro|
|Minor Characters||Kazuya Kurata • Shiori's classmate • Ishibashi • Mai's mother • Shiori's mother • Sayuri's father • Old man from taiyaki shop • Lady from Hyakkaya • Teacher of the Athletics Department • Woman doctor • Suspicious shop's old shopkeeper • Stray dog • Makoto Sawatari (real)|