my lines aren't smooth or sharp like you can do on paint tool sai

I’m having serious trouble… its hard to animate on this harmony essentials. i see tutorials but all their lines are sharp and smooth. don’t tell me about the “smooth bar” cos my lines still look gross and stuff. i really need live help from either picarto, skype or any screen sharing program. please i really need this help… if anyone is interested in helping, reply to this or email me at dextorcolo@yahoo.com please i am in dire need of help… i really want to animate… but moving from sai to harm

XP-Pen Artist Pro 16 review (2021):- A decent affordable pen display that covers your drawing needs - Sweet Drawing Blog

How do animators make their drawings look smooth and straight? - Quora

Recreating settings + brushes similar to Paint tool sai? - Bundles and resources help - Krita Artists

Inking Fail by Dustmeat -- Fur Affinity [dot] net

N I C E ! ! — HI HERE IS EVERY SAI BRUSH I OWN

INK brushes for INKTOBER 2023. Feedback.and final release - Brushes and Bundles - Krita Artists

Ink Settings by SqueedgeMonster -- Fur Affinity [dot] net

P: Shoelace shaped brush stroke with Wacom and smo - Adobe Community - 12558795

Artisul SP1603 15.6 Inch Graphics Drawing Tablet with Screen Full-Laminated Drawing Pen Display Drawing Monitor Compatible with Windows, macOS, and Android (8192 Pressure Sensitivity, 128% sRGB) : : Electronics