Complex sentence: After doing so, Sakurai begins to feel guilty about stealing Kondo's identity and pays him a visit in the hospital; there, Kondo wakes up, but it is clear that he has amnesia.
Split into simpler sentences: After doing so, Sakurai begins to feel guilty about stealing Kondo's identity and visit him in the hospital. There, Kondo wakes up, but it is clear that he has amnesia.