Shiho Yanagihara, an 18-year-old who came to Tokyo from Akita to become a rock musician, stripped off everything except her guitar to sing, and lost her virginity in her AV debut! A man's penis penetrates her hymen, which no one has ever touched, and she can't stop crying from the pain and anxiety during the shoot! Furthermore, before losing her virginity, she expressed her feelings through lyrics written by herself.