Pokemon: Diamond and Pearl Adventure — Viz
Issue: #6
Hareta and Koya fight! And then they fight in the tournament to determine the best trainer in Sinnoh! Which of Hareta's Pokémon will evolve during the heated battle? Who is that mysterious man in the stands cheering Hareta on? And why is Koya talking to...his briefcase?!
First appearances: Kaisei, Koya, Luxray
Creators: Shigekatsu Ihara
Characters: Charon, Looker, Absol, Empoleon, Garchomp, Drifblim, Regigigas, Ambipom, Mime Jr, Aggron, Torkoal, Kaisei, Mitsumi, Jun, Koya, Hareta, Professor Rowan, Metagross, Misdreavus, Gyarados