integrity; fidelity; principle; faithfulness; honor, someone who hold on and doesn't change their beliefs

Kyūjitai form of 総和 (“sum; total”)

Alternative form of 滄海: blue waters; vast ocean

(nautical) minesweeping

(nautical) to do minesweeping

異相双三角柱: gyrobifastigium

mutual love

sincerely, yours sincerely, sincerely yours (at the end of a letter)

(computing) format, file type / format of digital media such as DVDs / the form that something takes, in style, size, pattern, and so on

younger sister