Tags: Manga.
Hello Good-bye officially written as Hellogood-bye (katakana: ハローグッドバイ Harō Guddobai) sometimes abbreviated as HGB is a Japanese Bishōjo visual novel developed and published by Lump of Sugar playable on PC. Hello Good-bye was Lump of Sugar’s sixth title officially released on 16 October 2010 after Prism Rhythm was published. Other eroge games established by Lump of Sugar include Nursery Rhyme Itsuka Todoku Ano Sora ni Tayutama: Kiss on my Deity (most notably) and more.