Jin and Yui are childhood friends. Jin is quick to fight but is kind at heart, and Yui likes that about him, and the two are in love with each other. One day, a strong transfer student named Kimon arrives. Kimon arrives and immediately starts flirting with Yui, which makes Jin furious, so he challenges Kimon to a fight. However, even Jin, the strongest man in school, is no match for Kimon and gets beaten to a pulp. "Damn... Shit... Don't lay a hand on Yui... Stop it!!" A BSS (I liked you first) work.