MASTER OT J221811.12+654219.9: further brightened (Superoutburst) Hiraga-san obtained 14.8 mag on Nov. 29. YYYYMMDD(UT) mag observer 20181122.5136 <163c (Yutaka Maeda) 20181123.5343 146cG (Yutaka Maeda) 20181124.5540 141cG (Yutaka Maeda) 20181125.5185 132cG (Yutaka Maeda)