結月ゆかりの双子の弟
A fanmade derivative character based on [[Yuzuki Yukari]]. His name is simply Oto (弟 or 弟と), the word for "little brother".

Not to be confused with [[Yuzuki Yukato]], a fanmade genderswap Yukari.

h4. See also

* [[List of Vocaloid Derivatives]]
yuzuki yukari's younger twin brother