By then

Somehow the door of my room is half opened

From inside, I slightly heard Chikuma's voice, moreover she called my name.

I was worried she wasn't well or not, so I tried to peep inside ...

It was nothing ... but That Chikuma brat repeatedly called my name ...

... While drowning herself onto her "night battle".

... I see

I was confused that time ...

There's nothing more than seeing awkward things, right ?

That's really awkward

... Anyway at least I had to look for the time not to be busted when closing the door

Finally when the "operation" ends, while I thought "Now?" (to close the door) and then ...