Series by 小菊路よう

When 26-year-old office lady Tooko's mother remarries, she suddenly finds herself with a new 13-year-old stepbrother, Natsu. To fulfill their parents' wish for some quality time together, Natsu begins staying over at Tooko's apartment every Wednesday night. Initially awkward and guarded, this unique living arrangement slowly evolves into a heartwarming exploration of sibling bonds. Together, they cook, share non-alcoholic drinks, and navigate the challenges of their new family dynamic, discovering joy in the simple moments of life.