Karamatsu the second eldest of the Matsuno brother's has always been push away by his siblings,except for one and that one is the eldest from all of them,Osomatsu.Osomatsu will always be there for Karamatsu but the others,Never.People fears Kara is crazy for Oso,because Kara would spend time all along with Oso,but the truth hurts more than what they told him