An otherworldly mist wavers softly, a sudden chill brushing your mind…

Experience games that let you explore the "Otherworld" for free!

NEWS

・2025/7/04：Introduction to 『Keukegen』【ONN NEWS】

・2025/6/27：Introduction to 『Spirit Coin』【ONN NEWS】

・2025/6/20：Introduction to 『Makuragaeshi』【ONN NEWS】

GAMES

更新！『Tsukumodou The Relic Shop』Appraisal of The Dish of the Uninvited Feast

Games[Posted：2025/7/28]

更新！『Hyakki Dassyutsukou』Rokurokubi In The Darkness

Games[Posted：2025/7/18]

COLUMNS

更新！『Otherworld Dictionary』Rokurokubi

Column[Posted：2025/7/18]

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