It's been over 20 years since then. Atsuko has no choice but to be worried about her son Akira and her daughter Hiromi's love affair. It seems that they both already have a lover who has a physical relationship. In addition, her husband Takashi is having an affair. At that time, Subaru's lover Miyuki becomes pregnant, and Hiromi runs away from the eldest son of the conglomerate Akino family due to the opposition to her father. Source :manga-zero

This is volume 4 of the Ide Chikae Mystery Series. Other volumes: 1: [Keshou no Zange](https://www.mangaupdates.com/series.html?id=17934) 2: [Mitouna no Hari](https://www.mangaupdates.com/series.html?id=17939) 3: [Gem no Fushichou](https://www.mangaupdates.com/series.html?id=17932) 4: [Fuwaku no Tarot](https://www.mangaupdates.com/series.html?id=17931) 5: [Maboroshi no Sun Burst](https://www.mangaupdates.com/series.html?id=17938)

This is volume 5 of the Ide Chikae Mystery Series. Other volumes: 1: [Keshou no Zange](https://www.mangaupdates.com/series.html?id=17934) 2: [Mitouna no Hari](https://www.mangaupdates.com/series.html?id=17939) 3: [Gem no Fushichou](https://www.mangaupdates.com/series.html?id=17932) 4: [Fuwaku no Tarot](https://www.mangaupdates.com/series.html?id=17931) 5: [Maboroshi no Sun Burst](https://www.mangaupdates.com/series.html?id=17938)