A mysterious creature with green leaves on its head and a white body that appears with [[Agnes Tachyon (umamusume)|]]'s [[agnes tachyon (lunatic lab) (umamusume)|Lunatic Lab]] costume released during the [[Umamusume]] story event of [i]Summer's Sunlight Fades to Blue[/i]. [tn]Possibly a mandrake?[/tn]

It grows bigger during Lunatic Lab Tachyon's ultimate animation.
キー君