Mizuki, another character, describes her as a Tsundere, which simply means she’s extra irritable and grumpy—especially when she’s in a bad mood. PJSK Character MBTI Touya Aoyagi INFJ Akito Shinonome ISFP Rui Kamishiro ENTP Ena Shinonome ISFP Ichika Hoshino ISFJ Want to Know Which Star You ...