Kanojo ga Flag o Oraretara Temporada 1 Episódio 3

Everyones about to start their life at Quest Dorm when Akane gets a mysterious android from her family in the shape of a girl named Ninjabayashi Ruri. Meanwhile, Hatagaya Academys student council president announces the start of a new event, a week long track meet, and then Mimori surprises everyone...