瀬戸:

(keeping up) appearance(s) / (public) image / respectability / reputation (for decency) / propriety

honey trap

The katakana syllable セ (se). Its equivalent in hiragana is せ (se). It is the fourteenth syllable in the gojūon order; its position is サ行エ段 (sa-gyō e-dan, “row sa, section e”).