Lienna is Gray's little sister. She's very loyal and is always trying to stay by his side.  (Source: Absolute Anime)

The story of B-Daman is set in a world where the old west and mysticism collide.
The people of the B-Dawolrd have played the sport of B-Daman since ancient times. While many are spectators of the sport only very few have what it takes to become a B-Daplayer and only one can become the B-Dachampion.
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A young boy by the name of Yamato Delgado has been chosen to wield the most powerful B-Daman? COBALT BLADE. Yamato must use COBALT BLADE to compete in B-Daman tournaments and defeat the evil B-Daplayers of the Shadow Alliance. During his journey, Yamato meets Gray, Bull and Terry who become his friends and part of his B-Daman team.
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(Source: d-rights)

[Wiki (jp)](https://ja.wikipedia.org/wiki/上村貴子)

_Note: Not to be confused with the [painter](https://anilist.co/staff/105124/)._

Lienna Grace Vincent