TV-Series
Description
Princess Usagi Small Lady Serenity, known as Chibiusa Tsukino in the 20th century and Sailor Chibi Moon, is the daughter of Neo-Queen Serenity and King Endymion from Crystal Tokyo in the 30th century. Her nickname "Chibiusa," meaning "little rabbit," combines "chibi" (small) and her mother's name "Usagi." She possesses distinctive bright pink hair styled in cone-shaped odangos resembling rabbit ears and red eyes. Despite her childlike appearance, her aging halted due to her royal lineage and exposure to the Silver Crystal, making her over 900 years old chronologically.

Born into royalty, Chibiusa endured profound loneliness and neglect as her parents focused intensely on each other. Bullied by peers who doubted her legitimacy as a princess due to her lack of Sailor Guardian powers, she found solace only with Sailor Pluto, guardian of the Space-Time Door. When bullies dared her to retrieve her mother's Silver Crystal, her success triggered an attack by the Black Moon Clan. This assault devastated Earth, placing her parents and the Sailor Guardians into an eternal sleep. Believing herself responsible, Chibiusa stole a Space-Time Key from Sailor Pluto and fled to the 20th century seeking help from her parents' past selves.

Arriving in the 20th century, Chibiusa initially concealed her identity, confronting Usagi Tsukino (her mother's past self) with a toy gun to demand the Silver Crystal. Her presence caused tension, with Usagi suspecting her of being an enemy. Eventually revealing her origins and the future crisis, Chibiusa guided Sailor Moon, Sailor Venus, Tuxedo Mask, and the advisors Luna and Artemis back to the 30th century to confront the Black Moon Clan. During this conflict, Wiseman (later revealed as Death Phantom) exploited her resentment over her parents' neglect, transforming her into Black Lady. Artificially aged and wielding the Malefic Black Crystal, she nearly caused a temporal paradox by uniting the past and future Silver Crystals, endangering reality. Sailor Pluto sacrificed herself to break Death Phantom's control, enabling Chibiusa to awaken as Sailor Chibi Moon. Combining her powers with Sailor Moon, she helped destroy Death Phantom and restore peace.

After awakening as a Sailor Guardian, Chibiusa trained alongside Sailor Moon in the 20th century. Her Sailor Chibi Moon uniform features a dark pink sailor collar, red bows, and knee-high boots. She wields the Prism Heart Compact, a transformation device gifted by Neo-Queen Serenity. During the conflict with the Death Busters, she played a critical role protecting Hotaru Tomoe, the human host of Sailor Saturn. Defying other Guardians' warnings, Chibiusa defended Hotaru, resulting in the temporary loss of her Silver Crystal. Hotaru returned it before sacrificing herself as Sailor Saturn to defeat the Death Busters. Chibiusa's friendship with the reborn Hotaru provided the emotional stability and childhood joy she had previously lacked.

Initially socially awkward and insecure, Chibiusa matured into a compassionate and determined Guardian through her experiences in the 20th century, developing confidence and forging meaningful friendships. She dreams of becoming "a real lady" and values love, justice, and connection. She enjoys pancakes, pudding, and rabbit-themed items, excels at drawing, and dislikes homemaking and language classes. Her fears include thunderstorms, ghosts, dentists, and needles. Her relationship with Usagi evolved from adversarial to deeply bonded, with both viewing each other as best friends.