[Takuwan] IMOUTO BERO CHU SEX Ch.5 [biribiri] [Decensored]

Hina is asked why she is home instead of going out with Mom, greets Onnee‑chan and Mamoru‑onii‑chan, says she’s back, notes it’s cold outside, apologizes for promising sex because nobody’s home, says she didn’t want to leave the kotatsu, invites Mamoru‑onii‑chan to join her under the kotatsu, remarks how warm it is, comments that it’s hard to get out once under a kotatsu, and a secret plan to have sex is mentioned, while Mamoru reflects that he’s been thinking about Hina since first seeing her.