It sounds like you're referring to a specific adult visual novel or eroge title with a very distinct Japanese aesthetic: (Comiket 80), 「niku」 (meat), 「ringo kakugari」 (possibly a stylized or niche theme), 「kyoudai」 (brothers/siblings), 「Nippon H island」 (fictional setting), and 「original.zip」 .
Given the keywords and Comiket origin, this is almost certainly a guro/eroguro or dark fantasy adult RPG/adventure game made in RPG Maker or similar engine. Expect: c80 niku ringo kakugari kyoudai nippon h island originalzip
: True to the circle Niku Ringo’s reputation, the work features a very distinct, chunky art style with a heavy focus on "gag" humor and exaggerated masculinity, contrasting with the more typical "moe" styles found at Comiket. Release Context Event : Comiket 80 (Summer 2011). Circle : Niku Ringo (肉りんご). It sounds like you're referring to a specific