python3, 137 bytes

Result

WA

Duration

903ms

Code [DL]

l=input()
i=l.index("T")
while 1:
	l=input()
	if "K"in l:
		j=l.index("K")
		print(" "*j+"K"+"*"*(i-j))
		break
	else:
		print(" "*i+"*")

stdin

                T                                 
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
    K                                             

stdout

                *
                *
                *
                *
                *
                *
                *
                *
                *
                *
                *
                *
                *
                *
                *
                *
    K************

stderr

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7fff0c9c0080 /* 7 vars */) = 0
12    execve("/usr/bin/python3", ["/usr/bin/python3", "/volume/CODE"], 0x55d4adfa0d50 /* 7 vars */ <unfinished ...>
11    execve("/bin/cat", ["cat", "-"], 0x55d4adfa0d38 /* 7 vars */ <unfinished ...>
12    <... execve resumed> )            = 0
11    <... execve resumed> )            = 0
11    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
12    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
10    +++ exited with 0 +++