Your name storyboard sync

import vapoursynth as vs
import nnedi3_resample as edi
core = vs.get_core()

def add(clip, start, length):
    clip = (clip[0:start] + core.std.BlankClip(clip, length=length) + clip[start::]).std.FreezeFrames([start-1], [start+length-1], [start-1])
    return clip
def rem(clip, start, length):
    clip = clip[0:start] + clip[start+length::]
    return clip
src = core.lsmas.LWLibavSource("D:/Temporanei/君の名は。/storyboard.mkv""709", curved="709", kernel="spline64", chromak_up="spline64", fast=False)

fin = core.fmtc.bitdepth(res, bits=10, dmode=7)

fin.set_output()