This Taito Desktop Cute figure captures Oyama Mahiro from Onii-chan wa Oshimai! in a charming Seifuku Ver. pose designed for a desk space. Mahiro stands in a crisp sailor-style uniform with a navy blouse, white collar, and a pleated skirt, accented by a red neckerchief and a petite school bag accessory. The sculpting highlights her youthful features, with precise eye detailing, soft shading in the hair, and a subtle, confident smile. The paintwork is crisp, with smooth gradients and tiny highlights on the ribbon and boots. The compact base has understated gradient tones to complement most desks while keeping Mahiro as the focal point.

In the series, Mahiro Oyama is a spirited young woman whose life is touched by fantasy when a magical mishap transports her into a parallel world. There she is forced to navigate a strange new existence, adopting aspects of a different role while retaining her natural curiosity and humor. The plot follows her as she forms unlikely friendships, deciphers magical rules, and learns that courage often hides in the most ordinary moments. Throughout the adventures, Mahiro confronts personal doubt, balances her original identity with her new circumstances, and discovers that empathy and wit are powerful tools for overcoming misunderstandings and shaping the course of events in a world where the line between fantasy and everyday life can blur.