my sister's blasting milk is not at first sight, it's 15 h cups 100 cm.

My sister came to Tokyo from Akita after school to meet her favorite brother. However, she was unable to get in touch with her older brother and was the first sister who could be at a loss in Tokyo. The men gathered there with their kind faces one after another. My little sister, who is ignorant and prone to being deceived, rides in their car and instantly gets into a mess. And finally, I met my brother. But there was still a big pitfall.