ore-watashi-boku-jujutsu-kaisen-ch66.png

Translation

• Context: Gojou Satoru 五条悟, who doesn't like to obey rules, is told to obey societal norms.
• ichininshou "ore" wa {yameta} hou ga ii
  一人称「俺」はやめた方がいい
  [It] would be better if {[you] stopped} [using] the first person pronoun "ore."
  • ore - a masculine first person pronoun that's not used in formal situations.
  • 「」 - quotation marks.
• a´?
  あ゙？
  Ah?
  (a あ with dakuten 濁点.)
  
  • What did you just say to me???
• toku ni {me-ue no} hito no mae dewa ne
  特に目上の人の前ではね
  Specially in front of [your] superiors, [alright].
  • {me-ue no} hito
    目上の人
    People [who] {are above you}.
    [Your] superiors.
• {Tengen-sama ni au kamoshirenai} wake dashi
  天元様に会うかもしれないわけだし
  {[We] might meet Tengen-sama}, [after all].
  • In this series, Tengen-sama is an important person, as hinted by the fact the ~sama suffix is used with their name.
• "watashi", saitei demo "boku" ni shi na
  「私」最低でも「僕」にしな
  Use "watashi," at very minimum "boku," [okay].
  • ~ni suru
    ～にする
    In this case, to choose one thing. Specifically, a pronoun.