They were young at that time, Illumi was 16 years old, Hisoka was 19 years old, Chrollo was 18 years old, Qi Ya could just lift Sanmao, and Kurt kept asking for his big brother to hold him. Later, Illumi grew long hair and began to decorate his clothes with thought nails. Of course, Hisoka's suggestions from time to time were indispensable.
As for Chrollo, he was a minute late and lost at the starting point of the encounter.
Conception: