Tala Mayumi seems so bored with her life. When the summer season came, she wanted to save and earn money, so she tried to do online selling. As she dwells in the world of online selling, who would've thought that along her journey, she would meet a guy who would turn her world upside-down? Will she learn how to market herself to her crush? Will her crush take a chance to be with her? Epistolary; chatfic Music Series#1 Start: July 6, 2023