Board Thread:Questions and Answers/@comment-26381493-20151124212953/@comment-2248043-20151124215518

They were split into two, I think? Like, at first everything was fine but then YandereDev wanted a new, more tsundere design for Osana Najimi. The girl under the tree is now just Rival-chan while Osana Najimi is a new person with some new design. Osana is tsundere, while Rival-chan is just there.