Mastodawn

Artdink Game Log title # 2's finally dated: Aquanaut no Kyuujitsu, out April 23 on PC & JP Switch eShop https://store.steampowered.com/app/4042750/ARTDINK_GAME_LOG_Aquanauts_Holiday/

again, despite the EN Steam listing/description, these reissues are JP-language-only, ie no Aquanaut's Holiday loc... also, genA|-upscaled video & other assets

ARTDINK GAME LOG: Aquanaut's Holiday on Steam

The deep-sea exploration adventure that captivated countless players is back. What you discover in this underwater world brimming with freedom and challenges is entirely up to you. Follow your curiosity and make the most of your day off.