Killua as a boyfriend? What would that be like? Well, Retsu was about to find out. A series of one-shots featuring tidbits of Killua and Retsu's relationship.

Terinspirasi dari episode Tom & Jerry/One-Shot/Sebelum orang yang paling kau sakiti menandatangani surat permohonan maaf ini, maka kau tidak diizinkan masuk ke alam ini.Waktumu 24 jam, jika waktumu habis, maka kau tidak akan diterima dimanapun" . Saatnya memberi Kuroro Lucifer pelajaran *smirk*. R&R ?