Matsu, a beautiful girl who gets weaker every day, and Kotake, a beautiful woman who takes care of her with great affection. What are the true identities of these two...?

Kouki and Nao are twin brother and sister. As a matter of fact, the two have mutual feelings of love for each other, but “twin” love mustn't be permitted. But then, their mother reveals a shocking truth. 120% pure romcom, grandly start!

Shino's constantly pestering her cousin, Eiji, to marry her since she was a kid. Though Eiji humoured her whilst thinking that it's some sort of puppy love, as each year passes, Shino counts down at Obon. *Note: This is not in any way related to* **[Cousin From a Distant Country](https://mangadex.org/title/8d5d91af-d0e1-490a-b7a4-eebe35af0b3c/)** *as the female characters in both one-shots are not the same.*

Carlo having a crush on his cousin since his childhood. *Note: This is not in any way related to* **[My Biracial Cousin Who's Much Younger Than Me Counts Down Every Year When She Sees Me at Obon](https://mangadex.org/title/acea16fd-f54b-409a-bf8c-21664abfc3a7/)** *as the female characters in both one-shots are not the same.*