So, the Tsuakasa that showed up 6 months later is actually the REAL Tsukasa after Chapter 82 when he said, “Let’s go back together”.
Notice the panel where his mom finds him.
He’s still HOLDING THE BEAR in his left hand!
seen from United States
seen from Germany
seen from United States
seen from Pakistan
seen from Netherlands
seen from Pakistan

seen from United States
seen from United Kingdom
seen from United States
seen from United Kingdom

seen from Kazakhstan

seen from Japan
seen from United Kingdom

seen from Japan
seen from United States

seen from Italy
seen from Austria
seen from France
seen from Netherlands
seen from China
So, the Tsuakasa that showed up 6 months later is actually the REAL Tsukasa after Chapter 82 when he said, “Let’s go back together”.
Notice the panel where his mom finds him.
He’s still HOLDING THE BEAR in his left hand!
I would make a strong argument for Tsukasa actually loosing his sanity here.
50+ years in isolation only to hear that your twin brother k*lls you anyways...
This is his mental breakdown.