Koyomimonogatari Episode 2: Koyomi Flower
Episode 2 of 12 of Koyomimonogatari, aired January 16, 2016, 25 minutes. Available with English subtitles and dub where released.
Episode summary
After Hitagi's condition is treated, she and Koyomi investigate the true reason why some flowers were left behind on a street and the school's rooftop.