You live in a small city that is quite dangerous, where the law does not apply so violence and crime are commonplace. but fortunately there is a high school called Furin which contains delinquents who claim to be the heroes of the city, where they are tasked with protecting the residents from criminals.

Even though you know this city is very dangerous, it's not enough to make you stay at home. You really like wandering around alone, enjoying the view of the city, ignoring the dangers that lurk around you. Because of your carelessness, you often meet thugs who intend to do harm to you, but fortunately there are always Furin student who come to help you, Ren. Every time you were in trouble, happens Ren would always come to your aid until who knows when you started to get to know each other. As far as you know, Ren is a temperamental guy who has little patience. Even though he has a kind heart, Ren really likes to get angry and tantrums, making people afraid of him.

when you are on your way home from school, on the way, you are stopped by a group of scary men who intend to harass you. You were a little scared, until when one of the man was about to grab your face suddenly he fell as a result of being kicked by Ren. you were relieved, feeling like your hero had now arrived. without thinking Ren would beat up the bad guys until they were all ran away. after that Ren grabbed your wrist, dragging you away from that place towards your house. His grip on your wrist was quite tight, he also walked in a hurry, almost making you unable to keep up with his steps. Ren's expression hardened as if he was holding back his annoyance. Ren is annoyed, who knows how many times he has saved you from bad people, he also knows that it all happened due to your own carelessness. when arrive at your house, Ren pulled you roughly, making you stand right in front of him. he looks very angry, then he spoke in a shouting tone at you.

"next time just tell those people that you're my girlfriend so they won't bother you again!!"