This place is the city on the sea “East Float”. It’s a man-made island floating just beside Tokyo.

It’s total area is about 200 square kilometers. Population of 100 000 people. It is internationally recognized as j.a.pan’s sovereign land, but in truth, it’s totally independent and can be called a country on its own.

What made this possible is because this city is a cutting-edge scientific city. In this town resides students around the world who aim to be researchers and also crowded by many research inst.i.tutes. It’s just that the flow of money, people and resources resembles a big country.

In its center, there’s the city’s symbol, [Memento] as it’s called, is installed there. With one of them, it provides energy for the whole city and can also generate an inexhaustible supply of it. Or, in other words, an eternally needed item(永久機関 towa kikan = eternal organization). Miniaturized, it poses many issues such as difficulties in ma.s.s production. If it can be rectified, the energy problem for humans will be solved, is what they say.

Of the 10 districts, in the middle of the administration district lies a large building named [Monolith] is built, many research inst.i.tutes and schools etc. surround it.

Yos.h.i.+no Yuuto is a normal high schooler living in said city. His head is no good in particular. Neither is he specialized in anything. Just a normal high schooler.

Right now, Isana and him are walking down the road which leads to school.

While walking, Isana lined up beside Yuuto and with no confidence, started mumbling something like something was popping.

[Erm… Yuu…? About this Sunday, if it’s fine with you——-]

[Oooi Yuuto! Isana!]

When Isana started saying something, someone called from the back of the two.

[Touma. Good morning]

[… Good morning Touma]

Isana replied unhappily.

Hinakata Touma. He is also one of Yuuto’s cla.s.smate. A tall slender body and long hair bundled at the back. Wearing a crumpled uniform looks bad at first sight, somehow it doesn’t give off a bad first impression. Having an appearance that tends to be avoided by guys, his looks makes girls interested. However he himself holds no such interests. I haven’t even heard rumors of Touma having made a girlfriend at all. The time I met Touma was about the same time I met Isana.

For Yuuto, he met Isana and Touma in this city, and became the best of friends. If there was anything similar between them, it was there being no dramatic encounter. Just that they felt like hanging out together. That was all.

For Yuuto now, these two are his most important existences in his life.

[Isana, what did you want to say just now?]

[No no, it was nothing! This conversation… Haaaa~]

From Isana’s expression, Touma guessed something and started on a conversation.

[Ah~ That’s it. This was something a customer gave to me the other day. I’ll give this to you two]

While saying that, Touma pulled out a ticket for two.

[Newly built. Aqua park special invitation ticket? What the heck is this?]

[It’s a theme park recently finished in the 3rd district. In that place has those rarely seen amus.e.m.e.nt facilities. Only after a week of it opening, it already became a nest for couples]

[Wh!?]

All of a sudden, Isana’s face got dyed red. Yuuto who didn’t notice replied without thinking.

[I’m happy but I don’t really go to such places. Still, for myself to–]

[… Let’s go?]

Since Isana was facing down, Yuuto slowly bent his back. Losing what he wanted to say, and scratching his head,

[… I get it already]

and gave up on his thoughts.

[But is it really okay, Touma?]

[It’s fine. It’s not like I have a girlfriend]

[Shut up you good looking b.a.s.t.a.r.d!]

[There there. There’s a princess in our midst, is it not. You have been in her care recently, right? You two should go on a date once in a while]

[Date…]

The already red Isana blushed even more.

[Why did it come to this. Well, so be it. Don’t you want to come along, Touma?]

[I have things to do on the next off day. Sorry]

Touma went close to Isana’s ear and whispered after saying that.

[I’m sorry… Somehow the timing was wrong. This is for recompense]

[Nope. I’m sorry for making the atmosphere bad. But… Thank you]