|A legendary Indian spice researcher!?|
|Birthplace||The mountains of India|
|Hobby||Looking for soup spices|
|Relative(s)||Karli and Nan|
|First Appearance||pop'n music うさぎと猫と少年の夢|
Ruu-san is one of the characters from Pop'n Music: Usagi to Neko to Shounen no Yume.
A legendary spice researcher from the mountain recesses of India.
She once invented an unforgettable soup that captivated the princess!
Ruu-san is an exotic foreigner, most likely to come from India, known for her tan skin and light yellow forehead mark. She also has chestnut hair, stylized in two, lower pigtails with the rest drooping, and covered with a small turban and a golden lamp. Her costume is a light cyan dress with a white layer overlapping on the right side, a slightly dark teal cloth, and golden bangles on both her wrists and ankles. Ruu-san also have golden hoops on the tips of her bangs.
Her 2P palette gives Ruu-san a lightly pale complexion, light brown eyes, dirty blonde hair with her lamp silver. Her dress is green with an orange cloth, her bangles silver like her "hat", and her mark on her forehead light chiffon.
- Karli, additionally the head of Nan, appear on Ruu-san's Win animation.
- The dough on Nan's animations, also appear on her animations.