Boku Dake Shitteru Ichinomiya-sanボクだけ知ってる一宮さん (Japanese); 나만 알고있는 이치미야 양 (Korean); I know the only one who knows; The Ichimiya-san Only I Know (English)

As a guy with no real friends, Nishina Tadadora has spent months just observing Ichinomiya Misumi who sits next to him in class. At first glance, Ichinomiya looks like a lonely girl without any special appeal, but only Nishina knows how sensually provocative she can really be. Upon realizing that Nishina is watching her, Ichinomiya begins to interact with him in her own unique way. But unbeknownst to Nishina, Ichinomiya also seems to be harboring a secret...