Gareki!: After School of Modeler Girls

Mashiro, a versatile young girl with excellent physical reflexes and top-notch shogi skills, encounters a mysterious gas-masked beauty named Hinako in a suspicious-looking workplace within a building-- Turns out that what she's creating is a type of assembly model known as a "Garage kit," which is handcrafted in limited supply by the creator, making it different from the mass-produced ordinary figures.