Wyndia

Taniko is a slave girl brought to Naofumi by the Slave Merchant to help populate his village. She is called Taniko because she reminded Naofumi of child from a mountianous region, tani (谷) meaning valley and ko (子) meaning child. She was raised by the Dragon Ren killed.

Chronology
Taniko is in the second group of slaves owned by the Slave Merchant to be purchased for Naofumi's village. c139

She wasn't part of the group that found and brought back to the village the first monster egg they found together while training as a sort of trophy. She spoke against Naofumi to plead to keep the newly hatched monsters. He hesitatingly agreed to keep it. c143

Seven Star Whip Skills

 * Bind Whip (バインドウィップ)
 * Lightning Whip (雷撃鞭)

Heroes

 * Iwatani Naofumi
 * Amaki Ren

Companion

 * Raphtalia
 * Firo
 * Melty Melromarc
 * Rishia
 * Kiel
 * Gaerion
 * Lato
 * Sadina
 * Foulu
 * Atlas
 * Imia (イミア)
 * Rough