Since it's Anime and not Hentai, the difference is those situations ARE played for comedic effect. They are recognised as unusual and not normal by the medium itself and that's why it's funny seeing the mc in a situation that seems gay.

The left plays these situations straight, they can't take it as a joke because THEY become a joke by extension by doing that so they mostly say it is normal, nothing unusual about this'

As for fanservice in particular, boobs make people happier, it's a scientific fact, drawn boobs work just as much especially if the western equivalent is not as perky. But honestly Asia still recognise sex sells if it's a pretty girl so have at least one beach scene or hot spring to ensure you keep your audience.

Since it's Anime and not Hentai, the difference is those situations ARE played for comedic effect. They are recognised as unusual and not normal by the medium itself and that's why it's funny seeing the mc in a situation that seems gay.

The left plays these situations straight, they can't take it as a joke because THEY become a joke by extension by doing that so they mostly goths is normal, nothing unusual about this'

As for fanservice in particular, boobs make people happier, it's a scientific fact, drawn boobs work just as much especially if the western equivalent is not as perky. But honestly Asia still recognise sex sells if it's a pretty girl so have at least one beach scene or hot spring to ensure you keep your audience.