Wednesday Sister and Brother (vol. 1-4, latest issue)

Publisher: Kodansha
Author: Yo Kogikuji
Size: 128mm x 182mm
Number of books: 4
Language: Japanese
Category: Shoujo manga,Manga
Latest Release Date: 2022-10-13

Synopsis:
Toko, a 26-year-old office worker, has a younger brother, Natsu, who is 13 years younger than her, after her mother remarries.
At the request of her parents, who want some alone time once a week, Natsu comes to stay at Toko's room every Wednesday.
Toko and Natsu, who have suddenly become siblings, feel awkward together, but gradually get to know each other through cooking together and making non-alcoholic beverages similar to alcohol.

A sister-brother story by Yoh Kogikuji, author of "Doutei Jigoku", "Seven Deadly Sins: Seven Days of Thieves and Holy Girls", "Geki Spicy Lady Wants to Punish Herself", and "Saeki-san is Sleeping"!