A couple of self-recs for older fics that fit the theme:

Simple Subtraction (712 words) by El Staplador
Chapters: 1/1
Fandom: Yuri!!! on Ice (Anime)
Rating: General Audiences
Warnings: No Archive Warnings Apply
Characters: Nishigori Yuuko, Nishigori Triplets
Additional Tags: Parenthood, Teen Pregnancy, Community: ladiesbingo
Summary:

Sooner or later the day will come when one of the triplets does some simple arithmetic. Yuuko can't help preparing for that day.

Immortal Gifts (1563 words) by El Staplador
Chapters: 1/1
Fandom: Le Comte de Monte-Cristo | Count of Monte Cristo - Alexandre Dumas, Romeo And Juliet - Shakespeare
Rating: General Audiences
Warnings: No Archive Warnings Apply
Relationships: Eugénie Danglars & Lady Capulet
Characters: Eugénie Danglars, Lady Capulet (Romeo and Juliet)
Additional Tags: Crossover, Community: intoabar, Gothic, Implied/Referenced Character Death, Post-Canon
Summary:

The city of Verona is glad to welcome the great prima donna - and for her, a meeting with a stranger raises some old ghosts.

(Eugénie Danglars goes into a bar and meets... Lady Capulet!)

(Needs fandom tags: Yuri!!! on Ice; The Count of Monte Cristo | Le Comte de Monte Cristo; Romeo and Juliet