The reason might be to make the cartoon dog look more endearing or to give it a bit of a disguise. It could also be a way for the artist to add an element of mystery or playfulness to the character's look.
Well, often the manga might have more detailed storylines and perhaps some plot elements that don't make it into the anime. Also, the pacing and focus on certain characters can vary.
I think it's hard to say for sure. It depends on individual preferences. Some people might prefer the manga for its original art and story presentation, while others might like the anime for its animation and voice acting.
It can be shown in various ways. Sometimes it's about the action on the field, other times it might focus on the players' emotions or the fans' reactions.
Sure. The manga of 'Do Your Best to Regret' has a major influence. It presents complex themes and relatable characters that make readers think and feel deeply. The story progression keeps them engaged throughout.