You're reading A Little Sister Knows Chapter 4, released 2026-05-04 (19 pages). A Little Sister Knows has 4 chapters on MangaPulse, from Chapter 1 to Chapter 4. This is the newest chapter so far. Use the links below to jump to the previous or next chapter, the first or latest chapter, or discover similar titles.
At work, Miki Kiichirou is a dull office worker who is considered expressionless and boring. He stands out at drinking parties and doesn't seem to have any fun. But only I, his little sister, know that my big brother is actually "the most interesting in the world." ___ **Alt Official Raw:** [COMIC DAYS](https://comic-days.com/episode/2550912964914064790)