Tomodachi no Ushiro de Kimi to Kossori Te wo Tsunagu. Darenimo Ienai Koi wo Suru.

Youth is not just about love, but... only this love must not be noticed. "Youth = getting a girlfriend? Youth or anything is not at all just about that." A high school student with a trauma in love, Junya Koga, believed that youth was definitely more about having fun with friends than about love. For him, watching the beautiful starry sky and chatting in a family restaurant till morning with his five best friends was the height of youth. And yet, why do people fall in love with their friends? Especially considering that love might ruin the friendship they have made? Upon discovering the hidden thoughts of one of the group members, Yoru Narushima, a complicit relationship between Junya and her is born, leading them to unintentionally touch each other's wounds. This a youth love drama depicting straightforward and twisted feelings where friendship and love intersect. (Source: Kadokawa, translated)