Rina Yaegashi

is the younger sister of Taichi and the two are shown to be quite close. She typically holds the responsibility of waking her brother up in the morning and is very interested in Taichi's love life. Ironically, despite her age, she will often give her older brother relationship advice. At the start of the series, Rina is in the 5th grade.

Similar to how Gotou and Iori are often controlled by Heartseed, Rina is sometimes controlled by No.2 when he wants to speak with Taichi.

Personality
Wise beyond her years, Rina is shown to be very fascinated with and knowledgeable about relationships and love. She is shown to be a caring younger sister, diligently waking Taichi in the morning and expressing concern when he is feeling down.

Appearance
Rina is a young girl of average height for someone of her age. She has long, brown hair and brown eyes. Her bangs are split in a fashion that resembles her brother's.

Family

 * Yaegashi Taichi: Rina’s older brother. The two share a very close relationship and are shown to care a lot about each other's personal lives. Taichi is sometimes worried why his sister seems to know more about love than he does.