After parting ways with Takeda, Yuma, heartbroken, takes out her loneliness on Hotaru. In the midst of this, Fujiwara captures their situation on his smartphone and threatens, "Are you seriously going to mix me in?" To avoid suspicion, Hotaru locks herself in a room with Fujiwara. Meanwhile, Yuma is engulfed in dark emotions for some reason. Even when she tries to confirm the true nature of her feelings, all Hotaru returns with is the statement that Yuma is "her best friend above anyone else." Feeling a distance between herself and Hotaru, Yuma starts the new school term. One night, she spots Hotaru in a bustling district...!?