This dream seems to have several layers of meaning, revolving around themes of connection, isolation, and fear of being vulnerable.

1. Mall Setting: Malls often symbolize social interaction, choices, and consumerism. The emptiness of the mall could suggest feelings of isolation or a sense that you’re navigating through life without the usual support systems, like your friends.
2. Friends Leaving: Your friends leaving you behind in the dream might reflect anxieties about being abandoned or feeling left out in your waking life. It could also indicate a desire for independence or a need to assert your own interests, even if it means being alone.
3. Items from the Store: The heart-shaped necklace and anime figures could represent things that you love or cherish. They could symbolize your passions and interests, suggesting that you are seeking validation and connection through them. The act of taking items could indicate a desire to hold onto what you love or to explore new aspects of your identity.
4. Transition to Home: Moving from the store to being at home with the guy may signify a shift from public to private life. It suggests intimacy and a deeper connection, but it also raises concerns about safety and trust.
5. Fear of Kidnapping: The fear of being kidnapped reflects a deeper anxiety about vulnerability and the potential consequences of getting too close to someone. It may indicate worries about losing control or being taken advantage of in relationships.

Overall, this dream seems to highlight a conflict between your desire for connection and the fear of vulnerability and abandonment. It might be worth reflecting on your current relationships and how they make you feel. Are there areas where you feel unsupported, or do you have fears about being too open with others?