Goku's Training in Heaven and Unexpected Encounters with Unknown Enemies

Chapter - 1 ("The story continue's while goku is in heaven with king kai and training with him and meanwhile Krillin and Gohan visits Satan city for while shopping for tonight's party at mutant roshi's place & vegeta is with bulma in east city") Krillin :- Why do we have to go out for shopping its so boring Gohan :- Comeon krillin its fine she was working on something so we are here. Krillin :- did u hear that voice? ("Crown rushing away and some wind currents blowing stuffs") Gohan :- Get ready Krillin someone is coming Everything goes silent and wind totally stops and woosh a huge wind current blow's both gohan & krillin a bit away Unknown : Well Well so this is The Universe Seven Gohan :- Damn it who are you ? or main thing what are you ? Are you an Saiyan ? ("The unknown enemy starts laughing while using his right hand and covering his face and then he slides down his hands with a serious look") Unknown : "Mee? & a saiyaan?"