Lucky

For her older and more "Tsundere" version, go Lucky (Kahogona 3 Imouto)

Lucky is the protagonist of 妹3!. Despite being a little childish, naive and ditzy, she cares for her friends greatly. Her best friends are Stacey and Boxy, and has a crush on her other friend, Wasu. (According to fanservice, Lucky may have a incestous relationship with Nin, her older brother.

Trivia

 * Her name is "Lucky" referencing to the fact Nintendo is very child friendly and targets its games and consoles at kids.
 * She is a stereotypical Imouto loli girl: She always greets Nin and Blanc (Her older siblings) with a smile, she gets stalked by older men (Especially Toshiaki Futaba) and she is childlike and enthusiastic. Though she does have an older version, the link is in the start of the page.
 * Lucky is incredibly shy around Nin and Wasu which is shown in the fanservice episode The ocean of my dreams!
 * When Nin and her were talking in The ocean of my dreams! she mentions she was born as a funny, cute little girl who is too childish, also referencing to Nintendo targeting kids, and referring to being a loli.