[Nangou Jingeru] Nyotaika Shitara "Kaikan 10-bai!!" toka Arienai ~Imouto Kareshi ni Hamerare Shisshin!?~ 2 | If You're Feminized (The Pleasure Increases x10 Fold!!)Like No way ~I'm Put Into A Trance By My Sister's Boyfriend!~ Part 2 [English] [HSamurai]
There could be a third part with body swap between the two brothers and your sister wants to keep the body of the brother in his female version for having bigger breasts and his boyfriend enjoy your brother's female body.