Anime Crossover: Starting by Recruiting Adorable Group Members

Why doesn't water come down my back when I drink Sprite? Why didn't I become more handsome after drinking Yili milk? Why don't I get black silk threads when I eat Dove? Why didn't I summon Superman when I ate the big bubble gum? Why didn't people come when I drank Wong Lo Kat? Why doesn't a leopard chase me when I drink Jizhi syrup? Why don't I feel like I'm flying even when I wear Xtep? Why are there no tropical fruits flying around me when I drink Fruity Fruit? Why doesn't Superman come out to clean my toilet when I use Mr. Mighty? Why didn't the icy beads rush out of the window when I used salt white toothpaste? Why can't I chew up a statue from Mentos? Why don't I see big chunks of beef when I eat Master Kong? Why don't the two rabbits come out when I put Sophie on them? Why didn't the road in front of me wear Adi Wang? Why don't I find the questions easy when I use the BBK reading machine? Why can't I become a genius even though I use Chest diapers? Why

So there is a new book written about the old man who has turned back.