I think I understand what you're trying to say!
A vibrant, fashionable "gal" character who, for various reasons, begins to spend all her free time at the protagonist's apartment. She is expressive, slightly provocative, and gradually blurs the lines of personal space until their relationship shifts from casual cohabitation to intense physical intimacy. Anticipation for Volume 5 iribitari gal ni manko tsukawasete morau hanashi 5 work