Kasuari

KasuAri is the femslash ship between Kasumi Toyama and Arisa Ichigaya from the BanG Dream! fandom.

Canon
In the series Kasumi and Arisa are close friends that often banter. Kasumi teasing Arisa over a little things, and Arisa getting embarrassed from the friendly jabs. Throughout the series, you can see Kasumi consistently hugging and holding hands with Arisa. Even though Kasumi is very touchy with other characters, she is more physical with Arisa then any of the other characters. You can see Kasumi holding Arisa many times not only throught the show, but also in many of either Kasumi's or Arisa's card art.

Fanon
KasuAri is quite popular in the fanbase. Many of the fans love the cute tsundere dynamic the two have. Lots of official art has been created depicting the two holding hands and hugging. KasuAri has over 200 fanfictions on AO3 and is the fourth most written ship in the BanG Dream! fandom on AO3. KasuAri is rivaled by Kaochisa.

Fandom
FAN FICTION

Ichigaya Arisa/Toyama Kasumi tag on AO3