The suffix -sen (専) denotes a specific dedication, specialty, or preference for a genre. Combined with Shota (young, pre-adolescent, or early-adolescent male characters), "Oshota-sen" describes a specific sub-genre of fiction or a user preference tag that categorizes stories centering around young male protagonists navigating youth or puberty. Narrative Tropes and Subcultural Context

However, without more context, it's difficult to provide a clear and accurate interpretation of this phrase.

If you're interested in exploring doujinshi culture and content like Doujinshi TV Hajimete no Seikatsu Shotasen, here are some steps:

Shota doujin can be a rewarding artistic niche – full of emotion, cuteness, and creative freedom. Respect the community, understand the laws, and draw from the heart.

Stories utilizing these tags frequently focus on the psychological transition from childhood to adolescence. The narrative focuses on the internal monologue of characters experiencing sudden physiological shifts they do not yet fully understand.

: The domain name for an online library streaming fan-made comics and translated manga.