Reddit’s r/lostmedia has seen similar cases where broken Spanish-Japanese-English keywords lead to forgotten fan works. If you search exactly that string on Google with quotes, you might find old forum posts or Pinterest pins with a single blurred image of a 3D anime boy with spiky hair and Spanish text.

It sounds like you're looking for a (story, concept, or analysis) combining several elements:

Spanish introduces a different emotional and rhythmic register: passion, melancholy ( saudade -like), directness, and a history of colonialism, revolution, and magical realism.

A medida que Takeru/Kaito se adentraba en el mundo de "Eternal Realms", se encontró con que su aventura se convertía en una serie de desafíos y encuentros calientes con personajes femeninos hermosos.

: These are usually fan-made projects created using engines like Unity or Unreal Engine, or posing software like MikuMikuDance (MMD). Language (Español)

: Community forums dedicated to 3D adult games often provide "walkthroughs" or "guides" for controls and unlocking scenes. 3. Safety and Security Tips

Shounen (少年, "young boy") is a demographic and genre in manga/anime defined by action, growth, camaraderie, and escalating stakes. Classic themes: friendship, perseverance, victory. The shounen protagonist is often an underdog who trains, struggles, and transcends limits.

Based on your search terms, you are likely looking for the adult-oriented (hentai) series " Shounen ga Otona ni Natta Natsu