DYXL-tan (Radio-tan)

DYXL-tan is the elder sister of DYHP-tan. She is the smartest in the series. She loves decimals and algebra curiously on math, unlike her sister.

Appearance (Algebra Project)
She wears the same thing just like her sister, because her outfit is similar to the second episode, the third episode, and the fourth episode.

Actual appearance
She is almost mature just like her sisters. She has light orange hair formed up into pigtails, with blue ribbons on, especially her blue eyes. She has a blue vest with a red blouse on, and her yellow skirt with blue line printing on it. She also has blue shoes unlike her sister's shoes. She has a striped bow that is red, and blue on the other color on her head.

Personality to DYHP-tan
She has personalities to her sister, and she loves her a lot. She especially loves her elder sister DXXL, with her care and love to them.

Trivia

 * DYXL-tan is the first main character who is the main character together with DYHP, her sister.
 * DYXL-tan considers being the kawaii or the cutest just like her sisters.
 * She is the eldest in the Radio-tan series.