Regs are real simple to understand. First thing you have to do is throw out logic. Then you read the reg.
(f) Additional training required for operating high-performance airplanes. (1) Except as provided in paragraph (f)(2) of this section, no person may act as pilot in command of a high-performance airplane (an airplane with an engine of more than 200 horsepower), unless the person has—
(i) Received and logged ground and flight training from an authorized instructor in a high-performance airplane, or in a flight simulator or flight training device that is representative of a high-performance airplane, and has been found proficient in the operation and systems of the airplane; and
So in order to be PIC of a HP airplane you have receive and have a record of ground and flight training. i would hope you filled this square before your 135 ride.
(ii) Received a one-time endorsement in the pilot's logbook from an authorized instructor who certifies the person is proficient to operate a high-performance airplane.
Do you have an endorsement certifyiing you are proficient to operate a HP airplane? The reg does not say "or a 135 SIC check in a HP airplane.