It was a typical Friday evening. My sister, Alicia, had invited her friend, Emma, over for a sleepover. As a 15-year-old boy, I had no interest in their girly activities and planned to stay out of their way.

When I was engrossed in my video games, suddenly, Alicia and Emma stormed into my room. The exaggerated grins on their faces sent a chill down my spine. "We've concocted a cool new game", Alicia gleefully stated. I knew right away, being the usual guinea pig of their quirky games, I was in for a wild ride. Little did I know, they had a pack of diapers tucked away, waiting to be unveiled.

Before I grasped it, Alicia and Emma unveiled their master plan. They restrained their giggles as they revealed a packet of diapers. "We have thought of an exciting new game!" Alicia gleefully revealed. With each of their wild ideas, I had always been the test subject. This time, however, they had truly outdone themselves. The prospect sent me reeling. But there it was- a pack of diapers waiting for their grand introduction.

Alicia and Emma were bursting with laughter as they presented their latest game idea. Their joy felt ominous as they pulled out a bag full of diapers. 'We thought of a really fun game', Alicia exclaimed, barely containing her giggles. Their creative yet absurd plot always involved me as the scapegoat. This time, however, they had ascended to a whole new level. I watched in disbelief as a scary reality dawned upon me - they were about to introduce the diapers as key-players in their game.

I was playing video games in my room when Alicia and Emma barged in. They had a devilish grin on their faces which immediately worried me.

"We've decided to play a game," Alicia announced, and I felt a sense of dread. I was always the guinea pig in their strange games.

The next thing I knew, they were holding up a package of diapers. I couldn't believe what I was seeing. They couldn't be serious.

"We're going to make you wear these, little brother," Alicia giggled. I adamantly refused, but it seemed they were determined.

Despite my protests, they managed to force me into the diapers. It was the most embarrassing moment of my life.

They laughed uncontrollably while I stood there, feeling utterly humiliated. I couldn't believe my own sister would do this to me.

I tried to rip off the diapers, but they stopped me. "You have to wear them for the rest of the night," Emma declared.

While I was fully immersed in my games, Alicia and Emma suddenly invaded my space. The mischievous smirk on their faces sent an immediate red flag. 'We've hatched a fresh game plan,' Alicia succinctly put it, the impending dread creeping into my heart.