RELATED SERIES TIMELINE 1) Gosan no Heart (The Heart of Miscalculation) Main Story 1 Volume (Complete) Miki and Udou
2)Owaranai Fukou ni Tsuite no Hanashi (A Story About Endless Misfortune) Spin-off / Sequel 1 Volume (Complete) Udou's older brother (Takayuki Udou) and Seiji Kiyotake
3)Gosan de Fukou na Koibana (Miscalculated and Unlucky Love Story) Sequel / Side story anthology 1 Volume (Complete) Original couple (Miki & Udou) and the spin-off couple (Udou's brother & Kiyotake). Depicts the ongoing lives and "after" stories of all four main characters from the previous works.
4)Yamanai Fukou no Owarasekata (How to End the Unceasing Misfortune) sequel 1 Volume (Complete) Udou's older brother (Takayuki) and Kiyotake Continues the relationship of the secondary couple into their adult lives as working professionals.
RELATED SERIES TIMELINE
1) Gosan no Heart (The Heart of Miscalculation) Main Story
1 Volume (Complete) Miki and Udou
2)Owaranai Fukou ni Tsuite no Hanashi (A Story About Endless Misfortune) Spin-off / Sequel
1 Volume (Complete) Udou's older brother (Takayuki Udou) and Seiji Kiyotake
3)Gosan de Fukou na Koibana (Miscalculated and Unlucky Love Story)
Sequel / Side story anthology
1 Volume (Complete)
Original couple (Miki & Udou) and the spin-off couple (Udou's brother & Kiyotake).
Depicts the ongoing lives and "after" stories of all four main characters from the previous works.
4)Yamanai Fukou no Owarasekata (How to End the Unceasing Misfortune) sequel
1 Volume (Complete) Udou's older brother (Takayuki) and Kiyotake
Continues the relationship of the secondary couple into their adult lives as working professionals.