Baku Ane 2: Otouto Ippai Shibocchau zo!

The main character Sakuzaka Sōnaka fails his first experience with a lover who has dated for the first time from trauma of the past.
It was for him who was depressed to offer cooperation to overcome trauma and horny lesson literally putting on body,
My sister’s Rika and her cousin were white.
However, another sister who made a trauma in Sōtaka, a Japanese solo fighter,
It is not just a lesson … ….?
My sister’s brother warfare begins now !!