Tsuyu

is Nobunaga's crush, although she doesn't know it. She was married to a lord possessed by Tsukomo of the Toads, but who was later cured of the demon inside of him. She's very docile and kind. Nobunaga belives that Tsuyu was his true love, however her true love was her husband. 

She appears in manga chapter 19 and episode 8 in anime.