Kaiju Girl Caramelise manga volume 7 features story and art by Spica Aoki.

He knows. After that whole crazy battle over Tokyo with the other kaiju, Minami-kun knows that Kuroe is actually also Harugon-and she’s terrified to find out how he really feels. Fleeing instead of facing him head-on, she ends up back on the island of her birth. But there’s some strange people with masks over there, and it’s kinda hard to tell whether they’re friend or foe...