My drawing is so-so
If you can do animations, you can use still images from those animations, or use those as reference images. I suggest you read a few webcomics if you not already have. The general tone of your setting makes me think that you also might want to consider if there is the possibility of writing a children's book.
Most have a recurring panel format resulting in some sort of punchline each strip. Can result in a continous story.
Some I can recommend:
https://www.sandraandwoo.com/2000/01/01/welcome-to-sandra-and-woo/
Intersting for you, because at some point that author had released a point&click adventure game with characters of the story. But the comic was running for over a decade and that game was not the goal of the comic but rather some extended merchandise.
Also interesting for you, because that writer commissioned the pages to be drawn by an artist. I would not recommend this to you at the moment. That guy did not start writing, with publishing that comic out of the blue.
About the opposite of a story comic
https://www.darthsanddroids.net/episodes/0001.html
An example how to make a comic if you can't draw.
https://superredundant.com/?comic=meet-the-gang
Classic punchline each page format. But there are also story arcs spanning hundreds of pages.
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Having your own background music will certainly make a comic stand out. But the webcomic sector is as hard as the indie game sector. Very few comics are widely known. But it will train your story telling skills. Telling bits of story in a quest or in a few comic panels is both telling those story elements under a contraint.
And while I am not a fan of such "games", there are also Kinetic (Visual) Novels. Even with pixel art https://itch.io/games/tag-kinetic-novel/tag-pixel-art . That's bascically a comic on autoplay.