Ruri

Ruri (ルリ, Ruri) is a descendant of modern day humans, Kohaku's older sister and the daughter of Kokuyo, and serves as the priestess in Ishigami village.

Appearance

Ruri is a beautiful young woman with a delicate face, long blond hair, and green eyes. She appears to be mixed of Japanese and American descent, denoting her heritage as a descendant of Ishigami Byakuya and Lillian Weinberg. She shares similar facial features with her younger sister Kohaku, but has longer, manageable hair and a more curvy, hourglass-shaped figure. She wears a primitively-made purple sundress and a rope around her neck.

Personality

Ruri is a kind, gentle and demure young woman with a submissive personality, as she was fine with marrying whoever won the village tournament. This is perhaps, due to her illness and frailty, she was resigned to her fate of a short life.

When she learned of Senku's presence in the village, she showed curiosity and a keen memory, his name managing to stir up memories of one of Ishigami Village's stories.

After making a full recovery from her illness, Ruri is shown to be more optimistic and positive, and even shows a more tomboyish side, immediately making a full dash running around the village. Despite this, she is still much more feminine than Kohaku.

Abilities

Ruri may share some of Kohaku's athletic prowess, as her first instinct when cured is to sprint off into a field at high speeds.

She is very observant, as she was able to tell Kohaku was in a dangerous situation, simply because her hair knot was different, most wouldn't have noticed this.

History

Ruri was born to the village chief in Ishigami Village at some point in time. She eventually became extremely sick around her 18th birthday. Kohaku manages to sustain her life using hot water that she gathers every day to slow down the progression of her illness.

Plot

Kingdom of Science Arc

She notices Kohaku's hair knot was different and questions what danger she faced that made her change her knot.

Village Games Arc

After Senku diagnosed Ruri with Pneumonia, she was willing to take the risk of modern day medicine, consuming antibiotic for the first time. Eventually, she made a full recovery after the treatment. After Senku won the Village tournament by accident, (He was supposed to surrender to Chrome, who fainted from his last match) He was crowned chief, and married Ruri. They divorced almost immediately after.

Village Origins Arc

She reveals that Ishigami Village was founded by Byakuya Ishigami and his crew.

Trivia

• Her name Ruri is the Japanese word for Lapis Lazuli. It is a type of Metamorphic rock.
• She appears to be rather popular as Chrome, Magma, Ginro and Kinro have all shown an attraction towards her though she married Senku (for barely a day before he divorced her as he lacks interest in romance). It seems Chrome's feelings are the most sincere and genuine and it is implied in later chapters that she in fact reciprocates his feelings.
• Her illness was initially unknown. Senku deduced based on how her lungs sounded that she had water in her lungs. After dissecting a rat, he further diagnosed that the inflamation in her lungs was caused by bacteria passed from rats. After Senku made an antibiotic (sulfanilamide) to cure her illness and she had an averse reaction where the bacteria started to act up as the number of infectious bacteria increased, he deduced she was infected with Streptococcus pneumoniae, which has the ability to hijack surrounding harmless bacteria with their own toxic genes to multiply the number of infectious bacteria in the body. In other words, the name of her disease was Pneumonia (as stated in chapter 41).

References

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