Manual CEI - Aprende a tomar tu leche. (Modo gratis incluido)

Manual CEI is a structured training experience from DaikoFextar designed around a 30-day progression framework. The premise is straightforward: a guided introduction to cum eating instruction (CEI) that acknowledges newcomers may need a gentler entry point than experienced practitioners. The game offers two distinct difficulty tiers—beginner mode for those exploring CEI for the first time, and an expert mode for players seeking to push boundaries and discover new variations.

Gameplay revolves around daily modules that build progressively through the month. Rather than a narrative-driven visual novel, this is instructional content wrapped in game mechanics, with the structure itself serving as motivation to return consistently. The HTML5 engine makes it browser-accessible without installation friction. DaikoFextar frames this as part of a larger catalog; the free version provides core content, while a Patreon subscription unlocks expanded material across games, audio, video, and written works.

The adult content here is explicit and directive in nature—this is designed as genuine training material with an erotic framework rather than fantasy roleplay. The femboy/sissy aesthetic carries through the presentation, though the focus remains on instruction rather than narrative characterization. The game doesn't hide what it is, and that directness is part of its appeal for the target audience.

Technically, the HTML5 format keeps load times minimal and compatibility broad. Length scales with commitment—a player completing the full 30-day structure will invest meaningful time, though individual sessions appear modular. This is a commitment device as much as entertainment, banking on the psychological appeal of structured progression.