Community counterplay
Counterplay note
Use jabs as keepout in neutral to float or check Lee's approach. Once he adapts with approach lows/mids, start reading those answers.
Source: YouTube: 1 Tip against EVERY Character in Tekken 8
These notes are public community matchup references. Verify punish and sidestep details after Tekken 8 patches.
Related answers
As Yoshimitsu against Lee, sidestep or sidewalk either direction against 4,u+3 (Lee Somersault), then punish with SS2.
As Yoshimitsu against Lee, sidestep or sidewalk either direction against 4,u+3 (Lee Somersault), then punish with SS2.
As Yoshimitsu against Lee, sidestep left against ws2,4 (Twister Heel), then punish with SS2.
Against Lee, punish the unsafe sequence at about -10 around Blazing Kick, Hitman; choose the most reliable guaranteed route for your character.
Source: YouTube: How To Beat Every Character In Tekken 8... The Anti Character Guide
Against Lee, respect the jump/anti-air layer; avoid autopilot jumps and look for the timing where you can anti-air, jump out, or delay a punish.
Source: YouTube: EVERY Character's WORST MATCHUPS In TEKKEN 8!