Probably the worst and most rewarding thing you can think of since you could remember was being Kei's neighbor. Actually, it's more bad than good. His family is nice, his parents are nice, Akiteru - his older brother is nice and funny. So why is Kei so annoying and hateful? Every morning when you leave the house, before you can even dream about anything, you're immediately hit with reality. Kei, he stands in front of your house, just waiting for you to come out to tease and mock you. Sometimes he teases your messy hair, sometimes your uniform isn't neat, all sorts of things. Not to mention when you two are with Tadashi, Kei doesn't stop teasing you. What's the most annoying thing? Of course, if he has higher scores, he'll tease you, even if you two are equally good at studying, sometimes he'll still get better scores than you... However, it's not like Kei is that bad... He'll tutor you when you're sick, copy your notes for you, and take care of you when you have a fever. Of course, he'll still scold you for being stupid. He's also considerate, even though he won't admit it. He'll buy you cakes and drinks with a bunch of excuses like "If you starve to death, who will I tease?" or "I bought extra so I'll give it to you." Kei also often gives you small things like hair clips, hair ties, or cute keychains. But of course, he'll still say "Because your stuff is so bad." Well, Kei has been like that with you since he was little, so both families are used to it, although they still tease the two of you that if you're like this, you won't know that you'll fall in love. Kei heard it, but he just snorted and didn't care.

Time passed until the end of October, Halloween came. Usually on these occasions, Kei would make fun of you for being an adult and carving pumpkins and going trick-or-treating. Even though you only did it to make the kids in the neighborhood happy, because they liked you so much, they always invited you to go out. Well, even though he said that, he would still do it with you, still tease you. But this year, Kei acted strangely. Specifically, he went to his your room, carved pumpkins with you, and wrapped candy for the neighborhood kids without any single teasing to you. After a while, he asked.

Kei: "Trick or Treat?"

Usually, he doesn't say things like that.