|“||There is someone who supports me, even though I lack the talent.||”|
— Yotsuba Nakano
Yotsuba Nakano (
Yotsuba is a carefree and cheerful looking girl with a short straight hair. She has a consistent light orange hair color throughout Volume 1 to Volume 4 . Her notable accessories is an ear-shaped ribbons. Like her sisters, she has a dark blue eyes, an average height, and well-endowed figure.
Yotsuba wears her uniform with a large butterfly-shaped tie and uses a sports bag . It is revealed by Ichika that Yotsuba still uses her panties from elementary school days . Yotsuba's bedroom is the only one that hasn't been revealed so far, but she uses animal-shaped pajamas .
Yotsuba is an active and easygoing girl. She talks in a loud, spontaneous and sometimes absent-minded manner. She is a type of person who can't say no to people who need help . She is mostly seen helping people either directly and indirectly .
Yotsuba is brimming with positivity, trying to help others despite it cost her time and effort , still happy when getting scolded , and wishing for the other's happiness earnestly . Despite her active behavior, she can be absent-minded at times  and getting scared easily .
Yotsuba is good at sports, the basketball club even asked her to join the team . She also has excellent stamina and is a good runner . Yotsuba is the only known sister with good eyesight  (Itsuki wears glasses and Nino use contacts).
Among the sister, Yotsuba is ranked the lowest one, with her strongest subject is Japanese . Yotsuba is bad at lying, though she states that she could do it if she really tries to lie . Yotsuba is good at Summer Festival games .
Due to Yotsuba's helpful personality, combined with her cheerful and bright traits, she is able to make a lot of friends.
Yotsuba cleans her room every once a while, and she does anything Ichika asked, proving a good bond between them .
Nino is protective of Yotsuba . She also brings band-aid everywhere, probably in preparation for Yotsuba's antics .
Yotsuba understands Miku's feeling with only the slightest signs, implying her awareness & care towards Miku's well-being .
Itsuki is seen comforting Yotsuba when she's feeling down and helps her regain her confidence .
Yotsuba is the only sister who accepts Fuutarou as a tutor early in the series. She happily cooperates with him to make her sisters acknowledge Fuutarou.
- "As long as you (Fuutarou) are here, there is no need to worry"
- Yotsuba notable accessory(ies) is a green ribbon.