quick mods for you
Easy:
this difficulty is unrankable, you make a lot of mistakes here. remember this is made for people who are brand new at the game, and you are incorporating things in this difficulty that would be hard for a new player to properly read. Let's start with the most obvious one.
00:24:383 (3,4) - underlaps like this are completely not acceptable in an easy difficulty, this is far too hard to read and new players will struggle it. If your mom would miss the circle trying the map it's too hard to read.
The next issue you run into is with Distance Snapping. All Easy/Normal difficulties should be distance snapped. I recommend you read up on this document to get an idea of things you can and can't do in low diffs.
https://osu.ppy.sh/wiki/en/Ranking_criteria/osu%2100:28:799 (1,2,3) - the distance between these 3 notes is all the same visually, except for the massive issue that there is a 1 beat gap inbetween 2 and 3. You need to account for that when placing objects. Leave distance snapping on and it will yell at you for this, because the distance between 1 to 2 is 0.5, and the distance between 2 and 3 is 1.03 (it tells you in the top right). Same issue here 00:37:631 (3,4,1) - same issue here 00:40:575 (2,3,1) - you get the point
rhythm here is very boring, and I personally feel you over rely on reverse arrow sliders. New mappers tend to think that sliders are better for new players, as there is no accuracy on the head of sliders, but new players actually find sliders harder than circles. People are used to clicking with their mouse, dragging is harder.
Normal:
This should also be distance snapped, it's not and since the spacing here is pretty inconsistent thats a problem.
00:33:399 (3,4,1,2) - this spacing is crazy for a normal
00:40:943 (2,3) - this issue is carried over from the easy
00:53:087 (2,3,4,1) - patterns like this should generally be avoided, players who play normals are better, but they tend to very strictly follow flow, and so in this case players may go from the slider of 2 to the circle of 4 and completely miss 3. It's best to keep flow simple for low difficulties.
Hard:
Your kiai is such an insane jump in rhythm density. this map goes from a normal to a light insane for rhythm, it's just not very well balanced.
Insane:
00:57:503 - this clearly a very important sound in this song, and yet it is COMPLETELY passive (aka you don't tap here), this is a big no no, and makes it so playing this map feels wrong, aka you aren't tapping or aiming further for loud sounds.
01:07:255 (1,2,3,4) - listen to this at 50%, this is totally not represented correctly rhythmically. Emphasis is on the wrong parts
01:09:647 (1) - this would hit harder as circles on both loud sounds
Hitsounds are okay on the set, I don't normally complain too much in this regard. There are things that can be improved, but you did a pretty decent job for a beginner imo.
Your timing points are unsnapped
This is Titanic specific, but we don't allow modern Perfect Curve sliders, they don't work on older clients. They should be converted to Beziers using one my tools, but this is something that can be done at the end of a map so it's not a big deal at this moment.