Shiba (Hamamasa Satoru) fell in love for the first time in his life, and finally became lovers with Haruto (Hentou Kokai).Zhibo is enjoying a sweet life with his lover and is happy, but Haru proposes to go to the hot springs with him.Shiba forgot that before that, he hated hot springs that were mixed with the body fluids of an unspecified majority of people, and thought of Kazharu's hot spring trip.

However, Shiba felt a little uneasy after hearing from Kazama that a trip to a hot spring with his lover would be the most exciting and sweetest night.Can Shiba, who has no love experience, survive such a time...?Then at that moment, Shiba discovered a big old wound on Haruto’s flank...!?