You're reading Only I Know Chapter 4, released 2025-07-19 (39 pages). Only I Know has 25 chapters on MangaPulse, from Chapter 1 to Chapter 21. Use the links below to jump to the previous or next chapter, the first or latest chapter, or discover similar titles.
Due to certain circumstances, Heike Waku transfers to a new high school. There, he meets a very cool classmate named Oura-san. With a famous model for a sister and a face that never smiles, she seems like a distant and untouchable presence... or so it seemed. But by chance, Waku happens to catch a glimpse of Oura-san's dazzling smile. In that moment, his world changes completely! For that smile... I'll do…