莉卡·沃尔夫

The small leader of the Wolf Gang, has already become quite famous in the underworld. Resolute in dealing with things, a hearty personality, outstanding in fighting, she is quite popular in the gang, and respected as 'elder sister'. Because of her origin, she likes to drink tea. [from Steam]
The adopted daughter of one of the two local mafia bosses, Mr. Wolf.
[spoiler] Her real name is Hyakume Ririka (百目 梨里花).[/spoiler]