is a one shot manga created by Ogawa Hidari
in 2016. It stars two girls: Kozue and Erina. Erina loves to grope Kozue, and only feels okay when her friend has a sports bra... however, the PE teacher is worried. If Kozue keeps wearing a sports bra, her breasts will sag. But if she does switch to a wire bra, her friend might stop groping her...
- D-Cup Distress: Kozue, mostly because of the worry that she'll have to wear a bra with wires, and that will scare off Erina.
- Gainaxing: Happens quite a bit, given that Kozue doesn't wear a bra.
- Going Cold Turkey: Erina decides to swear off breasts, but it's almost impossible for her to stop thinking about them.
- I Coulda Been a Contender!: The PE teacher says that if Kozue doesn't wear a wire bra, her breasts will sag, and that'll waste her talent in racing.
- I Just Want to Have Friends: The reason Kozue wants to keep Erina around, even if it means getting groped.
- Ms. Fanservice: Kozue. Her big breasts get a lot of attention.
- Skinship Grope: Erina loves to grope Kozue.