Community counterplay
Sidestep note
As Yoshimitsu against Asuka, sidestep left against 2,1,d+1+2 (Basho Oroshi), then punish with UF1 Kincho B2 1.
Source: YouTube: All Strings you can Sidestep against Asuka
These notes are public community matchup references. Verify details after Tekken 8 patches.
Related answers
Against Asuka, watch for a duckable sequence. Duck the high or committed follow-up, then use your reliable while-standing or launch punish.
Source: YouTube: How To Beat Every Character In Tekken 8... The Anti Character Guide
As Yoshimitsu against Asuka, sidestep or sidewalk either direction against 1,2,3 (Jab Uppercut > Spinning Heel Drop), then punish with DF2.
As Yoshimitsu against Asuka, sidestep or sidewalk either direction against f,F+2,3 (Yata Kagami), then punish with UF1 Kincho B2 1.
As Yoshimitsu against Asuka, sidestep or sidewalk either direction against hFC.3+4, then punish with B2. 1.
As Yoshimitsu against Asuka, punish 1,2,4 (Jab Uppercut > Front Kick) with 1 1.
Source: YouTube: Yoshimitsu Full Punishment Guide against Asuka