I've Got A Bad Case Of Loving You - Seiko Kimura x OC

Yoshiro Nishimura, the Ultimate Marine Biologist, decided to go and meet up with the shy girl in your class, Seiko Kimura. He wanted to make sure she was doing alright. Across this story, he'll try to connect with her on a deeper level, and she begins to wonder if she is developing feelings for him or not. But a dangerous crime subplot is lurking just around the corner...