Juujika no Kuchikuze(2024)

Juujika no Kuchikuze

She's so energetic that people around her don't treat her like a girl. One day, she accidentally frees Noah, the prince of the demon world, who was sealed away in the chapel at the back of the school. In order to return Noah to the demon world, she must collect the scattered magical power.

(Source: Rimacomi Plus, translated)