Japanese writing does not always show pronunciation. A kanji can have several readings, and personal names make particularly broad use of that flexibility. The characters 冬愛 could produce more than one plausible reading under Japanese naming conventions. A machine translation service may offer a literal meaning, an automated phonetic guess, or no useful reading at all.
The second part, ことね, is less ambiguous because it is written phonetically. “Kotone” is the most direct Hepburn-style rendering. Even here, however, the exact presentation may vary. An official profile could use all capitals, omit a space, reverse the Japanese name order, or adopt a stylized Latin spelling.
Searchers should therefore treat any full Romanization as provisional until it appears in a first-party source. A fan-maintained page can help locate that source, but repetition across several fan pages does not turn an unsupported spelling into a confirmed fact. Many such sites copy from one another.
Name Order Matters
Japanese names traditionally place the family name before the given name. International websites often reverse that order to match Western practice. Stage names create another complication: what looks like a family name may be a chosen prefix rather than a legal surname.
If an official page gives both Japanese and Latin text, preserve the order used by that source when citing it. If different official channels use different orders, explain the variation instead of selecting one and presenting it as universal. This small distinction helps prevent duplicate profiles and mistaken identity.