|Japanese Name||リウ 月貞 理羽|
|Voiced by||Ayano Miura (三浦 綾乃)|
|Appears In||Tsurugi no Machi no Ihoujin|
Riu Tsukisada (リウ 月貞 理羽) is a major character in Tsurugi no Machi no Ihoujin (a.k.a. Stranger of Sword City).
Riu is the sub-leader of the guild that handles Strangers from other worlds and adventurers who live in the city. She is looking for a way to travel back to her own world.