Alice in Murderland Vol 6

From the Yen Press edition

He's right here in front of me...just like I remember him...my real big brother... Stella's true Zeno-nii, thought to have died five years ago at the very first Mad Tea Party, appears! And with his arrival, the last and biggest of Tsukito's secrets is revealed! You must never let go of this hand--Tsukito's hand--ever again...! Amid the confusion, her "father" presents Stella, who has lost the will to fight, with a way to end the traditional family death game that has embroiled her and her siblings, and--?! So don't you dare get in my way...!!

Source: Yen Press