Osana Najimi is a canon student in Yandere Simulator. She is a rival who must be eliminated.
Osana wears the Akademi High uniform with thigh-high pink socks decorated with white polka-dots. She has orange has with a pale yellow gradient that she ties up in pigtails that reach her knees. Her pigtails are in scrunchies that match her socks, and she wears a loose red bow on her head. She has orange eyes.
Osana is fairly nice. She sometimes teases Taro, but it is all in a lighthearted way. She is not a tsundere.
Taro is Osana's childhood friend. She likes to tease him lightheartedly.
Osana finds Imouto cute.
Ayano and Osana are friends. Osana thinks Ayano is nice, and let's her date Taro.