Anonymous Feelings.
Ishikawa Yuki is the childhood friend of Nino and Momo. She was also there when Momo left and Nino, together with her, became friends with Yuzu. But when Yuzu disappeared, she was the most devastated. At such a young age, she fell deeply in love with Yuzu, but she is also aware of Yuzu's feelings for Nino so she just...