Chuunibyou Izumi Kako Monogatari ~Maou Tensei System~

"You shouldn't leave the room big brother"

Your memory is fuzzy...
He's my younger brother. I'm sick and being cared for
...? Something doesn't seem right.
I feel like I've forgotten something

"Big brother. I love you"

A super-short fantasy BL investigation game,
depicting our protagonist Izumi, and his brother Cool.

[From DLsite English]