To Heart 2 Adnext Episode 4

Komaki Manaka daydreams about classmate Kono Takaaki but is too shy to talk to boys. As Takaaki-kun helps her in the library they resolve to have training sessions there, calling each other by first name. When Manaka addresses Takaaki-kun outside the library, his buddy Kosaka Yuji overhears them and tells their classmates how close these two have become, causing a surprising effect on other girls around Takaaki. (Source: ANN)