summary taken from Fushichou

Hikari is a quiet, shy boy who secretly admires his senpai, Kizaki. Or, are Hikari's feelings deeper than he has admitted to himself? It also appears that Hikari has caught the eye of one of his teachers. What will become of Hikari?

After his mother passed away, Kyousuke decided to live alone and transfer to another school. There he met a rather peculiar classmate named Kaname who’s unable to talk. Although Kaname cannot speak, he was able to somehow convey his feelings clearly through writing and facial expressions that made Kyousuke more drawn to him. However, Kaname’s cousin, Satoshi noticed the intimacy developing between the two which he could not approve… A sweet ardent, story of pure love unfolds…