Koisuru Boukun dj - Aru Hi, Mori no Naka.

Alternative universe story featuring the main characters from Koisuru Boukun. Kuma (Bear!Morinaga) wishes he could get to know Ookami-san (Wolf! Tatsumi) better, but Ookami-san doesn't seem interested. Until, one day, Kuma finds Ookami-san badly injured and takes him in...