If I had trained as I was told by my sister, my younger brother would have become extremely strong ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ Earth Star Comics

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

In order to save Tamamo Mae who lost his life due to ラキア, the strongest sister, Rose Allaion, is buried in his body from the blood sucking princess ルシエラ. "The seed of blood crystal flower" is buried in his body. "Blood crystal flower" continues to absorb the blood and magic power of Rose, and eventually it will bloom! At that time, Rose is heading to Rondel of the Imperial Order and 『 竜種 Research 』. In front of Rose who is not in perfect physical condition and magic power, an unexpectedly strong enemy appears? Volume 7 which contains the struggle and active performance of the strongest sister, Rose Allaion!