I should start by outlining the characters. Sakura Kurumi as the protagonist. The stepmother character would have a nurturing yet complex relationship with her stepson. The stepmother's act of breastfeeding, while fictional, needs to be portrayed in a way that aligns with adult themes without being overtly explicit. The story should build up to the climax (ejakulasi), focusing on the emotional and physical build-up.

Ketika Ryo menemukan ritual ini, ia terkejut. "Apa kau tidak berlebihan, Aoi?" tanyanya, khawatir. Aoi hanya menjawab dengan diam, "Ia membutuhkanku." Sakura, sambil menerima tindakan Aoi, perlahan kehilangan pembatasan antara ibu dan objek keinginan—dua dunia yang berbenturan dalam dirinya.

Potential structure: Introduce Sakura's life with his stepmother, the stepmother's overindulgence, the evolving dynamic between them, and the eventual climax. Need to maintain a narrative flow while incorporating all specified elements. Also, ensure the text is in Indonesian, as requested by "Indo18 work."