The Chitose-class ships are unique as they can remodel five times and have a total of five unique forms.
- 2nd form (Kai): She now has a second pair of seaplane catapult launchers on her shoulders.
- 3rd form (A): She now has a pair of launchers for Type A Kou-hyouteki midget submarines attached to her legs.
- 4th form (Carrier and CVL Kai): She changes from a seaplane tender to an light aircraft carrier, replacing her catapult launchers and midget submarines with a flight deck theatre. On the deck is the first two kana of her name (ちと). She controls her planes with two marionette control bars.
- 5th form (Final form) (CVL Kai Ni): Chitose's hakama and jacket now features green and black camouflage splotches. Her flight deck theatre becomes more sophisticated, it turns into the ship's actual shape and features a camouflage paint job and a lantern on the top. She now smiles.
She, along with Chiyoda, has had several seasonal CGs. In Autumn 2015 she wears a violet yukata with a floral pattern over her normal clothes, white tabi and sandals. She also holds a broom and a sweet potato and is burning a pile of leaves. During Rainy Season 2016 she wears a particular kind of dark raincoat, holds a red oil-paper umbrella and carries a tray of sake with her.
Chitose has quite a mellow and easy going personality, She can be quite doting toward the admiral and is often looking out for her younger sister, Chiyoda. She's known to be fond of alcohol, particularly sake. She's often depicted drinking with Jun'you and the other drunkards in the fleet.
Chitose originally built as the first vessel of the Chitose Class seaplane tenders launched on the 29th November 1936. She along with her sister were both converted and reclassified as Light Aircraft Carriers on the 15 December 1943. As a carrier she participated in the Battle of the Philippines Sea and the Battle of Leyte Gulf.
She would finally meet her end during the battle of Cape Engano on the 25th October 1944 where she along with Zuikaku, Zuihou and Chiyoda were used as a sacrificial decoy force to lure the American fleet away from the landing beaches in the Philippines. She took three torpedo hits from US carrier aircraft and ultimately sank due to flooding with the loss of 903 men. The cruiser Isuzu rescued 480 men, and destroyer Shimotsuki a further 121.
- Chitose was named after the Chikugo River (also known as the Chitose River). Her name (千歳) translates to "Millenium" or "Thousand Years".
- She is voiced by Miyagawa_Wakana, who also provided the voices for Chiyoda, Asashio, Mischishio, Kasumi, Ooshio, Arashio, Arare and Tashkent.
- A memorial Stele for Chitose is located at the Kurume Suitengu Shrine , a Shinto shrine located in the city of Kurume in the Fukuoka prefecture on Kyushu, Japan.
Chitose-class light carriers
- Chiyoda (Kancolle)