Your search for "ysk" revealed the following:

Diagonal Crossing (small) : YSK Unpainted kit N (1:150) Part No. 408

Bathers (Male): YSK Unpainted Kit N (1:150) Part No. 384

Penguin Material E (Break) : YSK Unpainted Kit 1:72 Part Number 405

Square Planter : YSK Unpainted Kit N (1:150) Part No. 325

Bathers (Female): YSK Unpainted Kit N (1:150) Part 385

Blue Sheet 2 : YSK Unpainted Kit N (1:150) Part No. 386

Plastic pallet (blue) : YSK Unpainted kit N (1:150) Part No. 465

Shrine with Torii and Jizo-san: YSK Unpainted Kit N (1:150) Part No. 209

Flexible Container Bag : YSK Unpainted Kit N (1:150) Part No. 400

Exhaust Duct: YSK Unpainted Kit N (1:150) Part No. 229

System Caddy (Red & White): YSK Unpainted Kit N (1:150) Part No. 232

Water Flow Parts - Water Column B Set : YSK Unpainted Kit - Non Scale Part 357

Loading cardboard (small) : YSK unpainted kit N (1:150) Part No. 469

Freescale Memorable scenes series RPG style "Block B" 8 pieces : YSK Unpainted kit Non-scale Part No.442

Water Flow Parts - Isonami A Set : YSK Unpainted Kit - Non Scale Part No. 365

Diagonal crossing (large) : YSK Unpainted kit N (1:150) Part No. 409

Cafe table : YSK unpainted kit N(1:150) Part No.472

Parent & Child : YSK Unpainted Kit N (1:150) Part No. 347

Arcade cabinet A: YSK unpainted kit N (1:150) Part 378

Old Shrine with Torii and Jizo-san : YSK Unpainted Kit N (1:150) Part 210