Yui Kajino

Yui Kajino (楫野 結衣 Kajino Yui) is a third year student at Komosawa Middle School in Goutsu, Shimane prefecture and the president of their mahjong club.

Appearance
Yui is a 158 cm tall with short hair.

Personality
Yui appears to be a stern girl who wonders where Chihiro Mukunoki was as she was late.

Shimane Tournament Arc
Yui wonders where Chihiro Mukunoki is before the girl enters their room. She then mentions that she did the same during the city tournament.

In the final match of the tournament, she is the third player (Lieutenant) of the mahjong team and plays against Kyouka Inamura from Yumachi Middle School, Misaki Saitou from Himebara Middle School and Kayo Takeshige from Hirefuri Middle School. During the match, she gains the first position and steadily increases her lead over the other three players.

On their way to play a practice match, Chihiro asks who they are playing. Yui tells her that they are playing Tonomi High and asks her not to be rude. Yui also tells her that she can only go all out on the last hanchan.

Shimane Individual Tournament Arc
Yui makes it all the way to the finals to play against Yue Hondou, Shino Shiratsuki and Kanna Ishitobi where she does well and her opponents even acknowledge her strength, but falls to Shino in the end.

Mixed Training Camp Arc
Akiko Tokiyama mentions that she is inviting others to their training camp while Yui questions whether it's wise to reveal their secrets to other schools.

At the training camp, Yui greets Shino Shiratsuki's group but says their next meeting won't go so well. In their room she notices Tomoko Nagami is depressed. However, she is less interested when she finds out it's because she forgot her pillow and she suggest hugging Chihiro Mukunoki at night.

That night she discusses Shino with Mio. She notices that the bigger the crowd, the stronger Shino becomes and ponders what she will be like if she became the countries representative. On the second night of the camp she walks into the kitchen to find Shino, Kyouka, and Rino Maniwa having tea and chatting. Yui tries to join them but is given the cold shoulder by the girls before they head off to bed.

2nd Children's National Tournament Arc
As soon as she arrives to the hotel, she tells them to crank up the air conditioning because she's headed to the baths.

She is not shown much in the tournament but Komosawa wins.

Playing Style/Abilities
Yui's hands tend to have many pairs.

Etymology

 * The name Yui means "tie, bind" (結) (yu) and "clothing, garment" (衣) (i).
 * Yui's surname Kajino means "creed" (楫) (kaji) and "field, wilderness" (野) (no).