Well apart from the basic corner carries and staff [m] / staffless pressure, ur corner combo needs to be flawless . its her easiest oki to be honest. also u notice some litchii's use daisharin more than 13 orphens, its wateva u feel 100% comfortable with , during the match with . (sometimes its needed depending on who ur facing e.g. vs hakumen , daisharin fakes help , vs anyone 13orphens can really get u that nice corner combo reset, from 13orphens > Chun > 5b[m] 6D --->in to the corner combo-------heat gain ------>dairsharin / 13orphan oki game again .
Learn to Abuse her oki lol , its fun , effective, and can be used for protection + offense (i.e. using daisharin/shield as a shield for them rush down characters , they have their mind on rushing u down (usually a grab to have frame invincibility from last hit of daisharin or 13orphan) u can tech grabs and if ur in position , tech them in to the distortion for another reset.
Gaining heat is fundemental.
Learning basics is fundemental
add them 2 together u have a basic litchiii > what u do from then onwards is up to u