Ichigaya Mami

 is the grandmother of Arisa, mother of Utsonomiya, and owner of the Ryuuseido. She manages the pawn store together with her husband. She has a generous personality and was shown serving Kasumi dinner when they first met.

Anime Appearances

 * BanG Dream! 1st Season
 * Episode 2 - We Did It!
 * Episode 4 - I Got Angry!
 * Episode 5 - My Heart Was Racing!
 * Episode 10 - I Got Surprised!
 * Episode 13 - We Sang!
 * BanG Dream! 2nd Season
 * Episode 14 - Happy Party!
 * Episode 24 - Star Tears

Trivia

 * In the game, instead of her actual name, she is often referred to as:
 * English: Arisa's Grandma
 * Japanese: 市ヶ谷 おばあちゃん (Ichigaya-obāchan, literally Grandma Ichigaya)
 * S. Chinese: 市谷 奶奶 (Shìgǔ Nǎinai)
 * T. Chinese: 市谷 老奶奶 (Shìgǔ Lǎonǎinai)
 * Korean: 이치가야 할머니 (Ichigaya Halmeoni)