Moto Gal Mama ga Kyuu ni Dekita Ken.

Juria (27), a former gal, got married with a super age difference on a marriage activity site she registered on the spur of the moment after breaking up with her pimp. Her newlywed life is happy, but her stepson, who has been tense because of an entrance exam, has started sneaking into her bedroom at night while her husband is away.......

(Source: Melonbooks, translated)

Notes:
• Released at Comic Market 96, 97
• A live-action AV adaptation (URE-120) was released on January 28th, 2025.