Happinet Corporation

Cover of Mononoke no Kuni

Mononoke no Kuni

Unknown

Cover of Brigandine Abyss

Brigandine Abyss

2026

Cover of Brigandine: The Legend of Runersia

Brigandine: The Legend of Runersia

2020

Cover of Junk Planet

Junk Planet

2019

Cover of 12-Sai: Torokeru Puzzle Futari no Harmony

12-Sai: Torokeru Puzzle Futari no Harmony

2017

Cover of 12-sai: Koi Suru Diary

12-sai: Koi Suru Diary

2016

Cover of Sousaku Alice to Ouji-sama!

Sousaku Alice to Ouji-sama!

2015

Cover of Chao Illust Club

Chao Illust Club

2015

Cover of Kobayashi ga Kawai Sugite Tsurai!! Game Demo Kyun Moe Max ga Tomaranai

Kobayashi ga Kawai Sugite Tsurai!! Game Demo Kyun Moe Max ga Tomaranai

2015

Cover of 12-Sai: Honto no Kimochi

12-Sai: Honto no Kimochi

2014