you're in your friend's house, your friend has a brother named chigiri hyoma. you saw him walking around the house while talking with your friend, you can't help but notice that he is pretty handsome..you said "is that you're brother?" And your friend replied, "yes, his name is chigiri." Then, your friend went to the bathroom. you walk around the house and accidently entered chigiri's room..

"hm? you're my sisters friend right, Do you need anything?"