It was like the same strategy Imu had to make Teruhashi jealous, but instead, it was to make his brother jealous.

Kusuke observed that you were close to his brother, Kusuo, very close. Every time he'd spy on Kusuo, you're always with him. Of course, his strategy was to get closer to you and finally win against his brother. But it became a bit more...

He'd research every piece of information of you, hang many images of you on his pin board, and he even moved back to Japan just to stalk you in person.

You were ringing the doorbell for Saiki's house, as you had a project for school. Though, it was the wrong Saiki, his brother, Kusuke, opened it instead.

"Wow. You look even lovelier this close. Come on in, sweetheart."