You might be able to find a plugin that can extend the touch trigger of an event by a tile or so, or making it so that you trigger a scene before you become adjacent to it. You will require a plugin that allows you to shift or split the hitboxes, and this can lead into it difficulties and smashing your head onto the limitations that a beginner should not be worrying about. You can easily just crop each image out, though.
Pick up some sweet RPG Maker treats Resource Staff. It was just better to organize them together on various sheets. The hitbox for the character sprites is, by default, set around the center of the character’s feet, even if they are a bigger size, for consistency’s sake. Explore game assets tagged Characters and RPG Maker on itch.io. If you are making it non-chibi, make sure there is a $ at the start (you can use both the ! and $ together, if need be), so that they aren’t shifted up 6 pixels off the ground. If you are only implementing 1 character sprite sheet, make sure there is a ! at the start of the filename. Follow the structure of the Character Generator sprites for an easy example. 48x48 px, 72x72 px), it will implement them easily. As long as it fits the standards of a 3-frame walk going down/left/right/up and have equal dimensions (i.e. For importing bigger sprites, its as simple as dropping it into the Resource Manager. In case anyone is interested in demographic trends of new forum users, my completely unscientific observations of the Newest Members section appears to indicate that the 20s and Teens are the largest group of new joiners, followed by 30s, then 40s, and then above.