世界で一番おっぱいが好き！(Sekai de ichiban oppai ga suki!)

Plot

Highschool girl Ichihara Chiaki likes big breasts. If she doesn't regularly fondle breasts, her archery ability suffers and she can't perform well in her Highschool archery club at school. Luckily her friend Harumi Hana, who goes to a different school, lets her fondle Harumi's breasts regularly. But it's not like she likes it or anything.