Ami is responsible for Junta's allergy to women
She psychologically conditioned him to barf in presence of naked women other than his mother and herself to make sure he'd been unable to get together with any other girl. Tomoko is related to Minako Aino
It would explain her Covert Pervert tendencies and ability to recover pretty fast from witnessing the strangest events: Minako's bad influence. Junta is part Saiyan
Because it explains why his looks as the Mega Playboy are so similar to Gohan SSJ2: he is going Super Saiyan, or as close to it as his low power level allows him.