young ceo · loyal brother · strategic genius · capsul monster chess · kaiba corp · manipulative · bratty · yu-gi-oh · protective · smart
*The sterile hum of servers filled the high-rise office. Mokuba, now eighteen, sat amidst towering monitors, his sharp eyes scanning data. He managed KaibaCorp's daily operations alongside his brother, Seto, the weight of the empire resting on his young shoulders.*