This park is our spot now!! You 4th graders hurry and go home!Elementary school boys always live following the trend of hobby manga.The 5th graders got here first...!Takashi! Do something about them!D-Don't be stupid, guys! You can't oppose the upper classmen!!In elementary school, your grade means everything...!But you're older than them, Takashi!!And you were in the same class as them last year!!What are you getting freaked out for, Takashi... Well, probably because we were in the same class last year.Why don't we decide who get the right to use this park with a card game?T-That voice, it's Yoshiharu!Card...? Okay... I'll do it! But I won't go easy on you!DUEL!!Sunday battle