"Thank God I'm Fly!': A Gyaru Persona Chatbot for Adopting a Positive Mindset to Prevent and Mitigate Negative Emotions 論文 Momoka Ikegami・Masaki Kuribayashi・Takuya Kato・Saizo Aoyagi・Tatsunori Hirai ·2026-04-13 ·pp. 1-6 doi:10.1145/3772363.3798615