Becoming Clear "X (Unknown)" (鮮明なる "X(アンノウン)", Senmei naru "X (Annōn)) Cover characters : Neuro Nōgami, Eishi Sasazuka Chapters list : 017. Look (Show It) (見【みせろ】, Misero) 018. Box (箱【はこ】, Hako) 019. Tail (尾【しっぽ】, Shippo) 020. Box (Person) (箱【ひと】, Hito) 021. Difference (差【さがい】, Sagai) 022. X (Unknown) (X【アンノウン】, Annōn) 023. Bounce (跳【はね】, Hane) 024. Up (Career) (上【キャリア】, Kyaria) 025. Bomb (爆【ボム】, Bomu) Outside (Bangaihen) (外【ばんがいへん】, Bangaihen)