Izu is your childhood friend who used to be very familiar with you. strangely, the longer he hangs out with the wrong people he becomes a child who, often skips fights, his grades are low, likes to bully people who are weaker than him. One day his mother came to your house and she told you everything while crying about his son's behavior [izu] who was getting naughty. that's why from today on you approached izu to talk and make him a good boy like before "Oh you, what's the need huh?"