Ecchi Sensei is an adult visual novel developed by BlueCat, and the "Day 22-23 Final" update on FAP NATION marks the conclusion of the game's main story arc. The update, typically distributed via community forums or the developer's Patreon, includes extensive new content for the Ren'Py-based game. For more information on updates, visit Patreon BlueCat Patreon. Ecchi Sensei - Day 15-17 Changelog: