Nagiko Oboro

Nagiko is Tsukiko's younger sister at first she did not like Terumi since he did not resemble the image she had of Genji no Kimi

Appearance
Nagiko is a girl who goes to school, has purple eyes and long black hair to the waist and is tied at the end with a bow.

Personality
Nagiko seems to be a serious girl, and has an interest in Genji Monogatari as she is seen holding a copy of the already worn book and has a great respect and admiration for Kaoruko Fujiwara

Plot
She appears for the first time during an event of the university that attends Terumi and is with him while he is wearing a Yukata, and at first she said that Terumi was unpleasant since he did not resemble the image she had of Genji no Kimi, then asked Terumi a question about Genji Monogatari's Utsu-Semi, then she sees her talking to her sister Tsukiko about her expectations, And they accidentally spy on him while he changes his clothes and she is surprised to see his "beauty"

Trivia

 * She has interest in Genji Monogatari as she is seen holding a copy of the already worn book
 * She appears for the first time in chapter 134 of the manga.