返信用の封筒 へんしんようのふうとう Meanings Noun self-addressed stamped envelope; SASE Kanji 返 give back. Read as ヘン. 信 trust. Read as シン. 用 use. Read as ヨウ. 封 seal. Read as フウ. 筒 tube. Read as トウ. Jinuma: Japanese Dictionary · Word lists