Loosen Us (Loose Trilogy #3) [ On-Going ] Two STEM students, Kiara and Isaiah, have been best friends since junior high, despite their families being embroiled in a long-standing conflict. Their bond has remained unbreakable, even as fate seems to place obstacles in their path. However, Kiara harbors a secret-she is searching for her missing twin sister, a mystery that stems from a traumatic tragedy in her past. As Kiara's investigation deepens, her hidden agenda threatens to unravel the foundation of their friendship, leaving her to question whether the truth will bring them closer or tear them apart.