Light Novel Paperback Size In place of my childhood friend who grew up without me, the next door is my younger sister (1) / Aya Hazuki DENGEKI BUNKO

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

Shinonome Yuzuru, a high school student who had been sleeping without his physical growth due to a disease. After seven years, he finally woke up and saw the appearance of the surroundings that had grown up without him. His childhood friend Sensaru Tenkawa, who had been thinking about both sides, became a teacher seven years older than him. His younger sister 希空 Tenkawa, who had thought he was a child, became a classmate of the same age. For a long time of seven years, Yuzuru and Sensaru were separated far from each other. He held his first love in his heart and could only watch the two of them. He gave a chance to 希空. "I like my brother the best in the world." Triggered by the confession of 希空, who grew up beautifully, the relationship between the three people that had stopped changed and started to move again.