Boogeyman's Dollie

Kim Taehyung and Jeon Jungkook, mates, lovers. Both were childhood sweethearts. Inseparable, always wanting to be close to each other.
Despite being an alpha, Jungkook always depended on his possesive alpha mate. Taehyung was the only one who could control Jungkook from being a brat or when he was having a hard time controlling his anger.
Same goes for Taehyung. Taehyung had some serious anger issues and wouldn't tolerate anyone except his beloved mate. His dollie was the only one who had the ability and previlige to calm him down. He couldn't live a second wihtout his dollie, but what happens when Taehyung himself chooses to leave his mate for 3 years?
How does Jungkook react at his unexpected comeback?
Will he accept his boogeyman back? or will he reject taehyung as his mate the moment he sees him again?