裏番

里番
lǐfān
erotic anime; pornographic animation (loanword modeled on Japanese 裏番組 ura bangumi, "program aired opposite another", reinterpreted in Chinese ACG usage as "adult anime")

CEDICT

loanword

Entry Composition

1 裏 lǐ variant of 裡 lǐ
2 番 fān
  1. (bound form) foreign (non-Chinese); barbarian
  2. classifier for processes or actions that take time and effort
  3. (classifier) a kind; a sort
  4. (classifier) (used after the verb 翻 fān to indicate how many times a quantity doubles, as in 翻一番 fānyīfān "to double")