sincere, straightforward, proper, frank / simple, not extravagant, not expensive, less formal

to do one's duty, be on duty

(less polite) frequently asked questions; FAQ

barrage of questions, torment someone with inquiries

public questioning of a suspicious person by a police officer

a police officer, to publicly question a suspicious person

everything

(colloquial) current boyfriend

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all