|Relatives|| Kuchiba (husband)
Sumi is a character in Children of the Whales. She is the deceased mother of Kikujin and wife of Kuchiba.
Kuchiba - She was aware that Kuchiba was in love with Mayor Taisha for a long time, but was fine with marrying him because she too loved her. It is unknown if she married him due to romantic feelings or not.
Sumi is named after a Japanese color meaning "ink black".
- ↑ Volume 5, page 193
|Mud Whale||Chakuro | Lykos | Sami | Suou | Taisha | Kuchiba | Shinono | Masoh | Ouni | Kicha | Ginshu | Shuan | Siena | Hakuji | Lasha | Kogare | Kikujin | Miru | Shikoku | Shikon | Nibi | Neri | Aima | Byakuroku | Dyo | Ekato | Miden|
|The Empire||Orca | Liontari | Arachni | Itia | Atsali|
|Kingdom of Siderasia||Rochalizo | Dictis | Adihilas | Palamesosu | Daktila|
|Other||Olivinis | Kokalo | 王子 | 宮廷道化師 | 国王 | 女道化師|