I'm pretty sure most trackers have this functionality, I personally use anidb. Here's a link to the current season and you can use the selector at the top of the page to switch to a different season. Source: 6 months ago

Personally I like to use anidb here are some mecha tags anime list you can sort it by weight / score. Source: 6 months ago

I am in the minority but I really like anidb. Source: 6 months ago

Go to anidb.net and mess around with the advanced character search function. You'll probably get a solid list (though obviously it isn't going to be exhaustive). I could be wrong, but your request might also be what people refer to as "oppai loli"? Might be worth looking into. Source: 11 months ago

Try messing around with the advanced search function over at anidb.net. Source: 11 months ago

I'm really into movies and tv series that recently to keep track and rate them I've found this really well done app called MUST. I think its pretty famous right now, but if you don't know it I hardly recommend it to use. https://mustapp.com. Source: over 2 years ago

Also check out mustapp, I doubt they have direct relationship with these services. Source: almost 3 years ago