These are 3 vocaloid boys, who are terribly underrated.
From left to right, Yuu, Kyo, and Wil.
(This picture is from their Imitation Black cover.)
Seke really likes them and they are her favorite vocaloids next to Utatane Piko.
【KYO YUU WIL】 IMITATION BLACK 【VOCALOID ZOLA Project Cover】