https://www.cmoa.jp/title/282214/

--- **Series Order:** 1. [Choukyou Joushi](https://www.mangaupdates.com/series/lnm7lyr/choukyou-joushi) 2. [Choukyou Kareshi](https://www.mangaupdates.com/series/7v6t4qq/choukyou-kareshi-fujimine-shiki) 3. [Choukyou Seikatsu](https://www.mangaupdates.com/series/2kymvbj/choukyou-seikatsu) 4. [Choukyou Souai](https://www.mangaupdates.com/series/apo8vu8/choukyou-souai) 5. **[Choukyou Aishuu](https://www.mangaupdates.com/series/otdoaua/choukyou-aishuu)** 6. [Choukyou Aijitsu ](https://www.mangaupdates.com/series/ek2gmrc/choukyou-aijitsu)

--- **Series Order:** 1. [Choukyou Joushi](https://www.mangaupdates.com/series/lnm7lyr/choukyou-joushi) 2. [Choukyou Kareshi](https://www.mangaupdates.com/series/7v6t4qq/choukyou-kareshi-fujimine-shiki) 3. [Choukyou Seikatsu](https://www.mangaupdates.com/series/2kymvbj/choukyou-seikatsu) 4. [Choukyou Souai](https://www.mangaupdates.com/series/apo8vu8/choukyou-souai) 5. [Choukyou Aishuu](https://www.mangaupdates.com/series/otdoaua/choukyou-aishuu) 6. **[Choukyou Aijitsu ](https://www.mangaupdates.com/series/ek2gmrc/choukyou-aijitsu)**

https://mechacomic.jp/books/237933

The protagonist, Rustia, who lived her life as the perfect Crown Princess, loses her position due to a broken engagement and finds herself in the role of stepmother in her new marriage. However, she uses the knowledge and attentiveness she has cultivated to solve family and surrounding problems one after another. This is a story of a capable heroine who excels even when her position changes, and gets a second chance.

Sanjou Rokuro, a part-time worker was persuaded by his mischievous friend to impulsively download a dating app one night while drunk. To his surprise, he matched with Sanjou Yuuha, his stepsister. They began exchanging messages, each pretending to be someone else, and Rokuro soon learned that Yuuha, a high school student, had stopped attending classes. One sweltering afternoon, Rokuro decided to check on Yuuha. Upon seeing her again, he realized that she was going through a difficult time at home…!? Yuuha reached out for help, and Rokuro decided to take her in and have her live with him! However, Rokuro has a troubled past, too: just before graduating high school, his father had disowned him. Their daily life is built on carefully constructed lies, both trying to protect a hidden truth. The romantic comedy between a stepbrother and stepsister begins! (Source: DASH X Bunko, Translated)

Taking place in the 1980s, the story focuses on Makoma Tatsuki, an elementary school boy whose dad is an anime director.