Game Title in Japanese: 少年とお姉さんと旧校舎 Advance! とってもエッチな誘惑に我慢しながら探索するゲーム
Romaji: A Boy, an Older Sister, and an Old School Advance! A game where you explore while resisting very naughty temptations
Release Date: 2025/05/02
Official Site or Getchu Link or VNDB Link...