VENU-744 1 night and 2 days Sora Shiina was left overtaken by his wife's older sister who suddenly came in

When his wife returns home, Atsushi is left alone and unable to do housework, living in a messy house. - Worried about Atsushi, his wife's older sister, Sora, comes to help with the housework. - Atsushi feels a little guilty for inviting a woman other than his wife into his home, but the sudden visit from his sister-in-law, a relative, is a big help to Atsushi. - However, Sora's purpose is to relieve her own frustration with her sister's husband instead of her husband. - Unaware of this, when Atsushi was taking a bath, Sora...