Bound to a Secondhand App, My Dead First Love Orders from Me

[Top Student Heroine x Ultimate Big Boss Who Created the World for Her + Brainy + Rule-Based Horror Healing System] Lin Jinran just downloaded a second-hand platform called "Sold It" from her phone and discovered something was off. The platform doesn't trade old items, but memories, fears, lifespans, and even... souls. Strange posts float in the fish pond: [Selling a "404 Ward" access card, used only once, in exchange for you covering one night shift for me.] [Buying "Beautiful Childhood Memories," purity requirement over 90%, to suppress inner demons, no shady dealers.] [Exposed! ID "I'll Cho…