Hello! I noticed something wrong with the base oto.ini file provided:
a_tsu.wav=u ts,900.0,270.0,-300.0,250.0,83.0
i_tsu.wav=u ts,900.0,270.0,-300.0,250.0,83.0
tsu_tsu.wav=u ts,900.0,270.0,-300.0,250.0,83.0
e_tsu.wav=u ts,900.0,270.0,-300.0,250.0,83.0
o_tsu.wav=u...