Updated all signs in each modified sub, taken from leorio1009's subs release (Omnivium-Owari)

EPISODE 2
Removed placeholders for text signs
Added OP

EPISODE 5
"The great principal of capitalism is give-and-take." -> "The great principle of capitalism is give-and-take."
"A teacher got hands on with a student," -> "A teacher got hands-on with a student,"
"They all seriously say the love me. It's a pain." -> "They all seriously say they love me. It's a pain."

EPISODE 6
Removed placeholders for text signs

EPISODE 8
Changed default style to match badcvxy
See-no -> Seeno
Ooto -> Ohto
Sensei -> Teacher/Mr. Sawaki
WHO? -> Who?
Removed honorifics for consistency
A missing "no" was added, lel
Added OP

EPISODE 13
Added OP from badcvxy
Changed default style to match badcvxy
Removed honorifics
Sensei -> Mr. Sawaki
Ooto -> Ohto
Ura-Aka -> Ura-Acca
Aka -> Acca