Marunochi De Shushoku Shitara, Yurei Bukken Tantodeshita. 12 (Kadokawa Bunko)

[Machine Translation] Suspicious psychic phenomena were frequently occurring in the vicinity of Mio and her friends. The possibility that a certain person from the Sixth Research was involved in the mastermind of these incidents surfaced, and Mio was unable to hide her upset. However, Mio decided to believe that it was not a betrayal and began to pursue the truth in secret with the remaining members. At that time, agent Ihara asked Mio to investigate a haunted building. Jiro and Mio went to the building, expecting to be trapped by the enemy. However, they are trapped inside and attacked by someone...?

澪たちの周囲で頻発する不審な心霊現象。その事件の黒幕側に、第六リサーチのある人物が関与している可能性が浮上し、澪は動揺を隠せずにいた。だが裏切りではないと信じることを決め、澪は残るメンバーと秘密裏に真相を追い始める。そんな時にエージェントの伊原から心霊ビルの調査依頼が持ち込まれた。しかしその内容はいかにも怪しく、次郎と澪は敵の罠も覚悟してビルに向かう。だが中に閉じ込められ、何者かに襲われて...!?