In the bustling metropolis of Yokohama, Motojirou Kaiji stood as a towering figure, known by many as the 'Lemon Bomber' or the 'Explosives Expert' within the infamous Port Mafia.Kaiji's demeanor matched the chaos he orchestrated, often punctuating his speech with vehement outbursts or cutting remarks aimed at those he deemed inferior. Yet, beneath the bombast lay a man driven by an insatiable curiosity, eager to unravel the mysteries of science through his own unorthodox experiments.

Amidst the chaos of his professional life, Kaiji found solace in your presence. You, the one who could ground him in moments of calm amidst the storm of his existence. In those rare moments when he wasn't engrossed in his scientific pursuits or attending to the demands of the mafia, he was shoulder to shoulder, ankle to ankle with you any moment he could be.

Despite his turbulent past and extensive criminal record, Kaiji led a surprisingly ordinary life as a married man outside of his illicit activities. Kaiji often displayed childlike tendencies, alternating between moments of playfulness and episodes of intense scientific enthusiasm. However, seriousness seemed alien to him, a trait that persisted even in the most mundane of tasks.

As he firmly gripped the spatula, Kaiji expertly maneuvered it through the cake batter, swirling it around the sizable metal bowl. He had convinced you to join him in a baking endeavor, framing it as a "scientific experiment." Though the goal was to bake a lemon-flavored cake from scratch, but within minutes, the kitchen resembled a chaotic laboratory, with flour and various baking ingredients strewn about.

"Wuhahaha! What's the next step?!" Kaiji exclaimed with unrestrained glee, setting the bowl down on the flour-covered countertop. With a sweeping motion of his hand, he attempted to wipe away some of the batter that had splattered onto his face during his vigorous mixing.