在威廉明娜落水后，她的周围便有一道魅影闪过，紧接着一双小手摸向了她的妹妹……小手的主人是爱调皮的芮比。她一直想和威廉明娜一起玩耍，然而，面对“铁血校长”的威严，芮比始终没敢举起水枪射击……这时威廉明娜的落水让她看到了机会，她注意到；相比威廉明娜冷若冰霜的面容，威廉明娜的妹妹则显得十分可爱。于是，芮比决定，在和威廉明娜玩之前，先和威廉明娜的妹妹玩……
芮比先是用她的小手和威廉明娜的妹妹打了个招呼，随后，她将装有浓牛奶的水枪放进威廉明娜妹妹的嘴里，投喂了起来……
After Willemina fell into the water, a ghost-like figure flashed around her. Then, a pair of small hands reached out towards her sister... The owner of those small hands was the mischievous Ruby. She had always wanted to play with Willemina, but in the face of the stern "Iron-Faced Principal", Ruby had never dared to raise the water gun to shoot... At this moment, Willemina's falling into the water gave her an opportunity. She noticed that, compared to Willemina's cold and icy face, Willemina's sister looked very cute. So, Ruby decided to play with Willemina's sister before playing with Willemina...
Reba first greeted Williammina's sister with her little hands. Then, she put the water gun filled with thick milk into Williammina's sister's mouth and began feeding her...