Wataru Imagase

Wataru Imagase (今ヶ瀬 渉) is a character in The Cornered Mouse Dreams of Cheese. An investigator with a private detective agency, he is tasked with learning if Kyouichi has been having affairs with woman. Since he has, Wataru asks for his body in exchange for his silence. In the live action film he will be played by Ryō Narita.

Personality
Willing to bribe others, Wataru acknowledges he does not play fair. He says things on purpose to Kyouichi to see how he reacts when angry, to check if he is jealous. He does not care about what is sensible.

Background
Attending university with Kyouichi, he fell in love with him during the first year.

The Cornered Mouse Dreams of Cheese
Wataru removes Kyouichi's jacket and asks him to relax. It is remembered they were dining together as Wataru had been hired by Kyouichi's wife to investigate a suspected affair. Sure they could reach a deal, Wataru declines money from Kyouichi, desiring his body instead.

Meeting him again, Wataru has further compromising information on Kyouichi. Also news that his wife has been racking up credit card debts.

He is at a restaurant with a man and later tells Kyouichi that he was his boyfriend. Stating this to see if he was jealous, Wataru anticipated that Kyouichi would throw his drink over him. Wataru proceeds to tell Kyouichi that he loves him.

At an apartment, Wataru receives a call from Kyouichi but tells him he will call later when accused of knowing his wife was going to divorce him anyway.

Joining Kyouichi at his new apartment, he kisses him goodbye as he leaves for work and states that he is the one who loves him the most.

Reading through his phone messages, he learns of Kyouichi's relation with Misaki, and leaves.

Kyouichi Ootomo
At university he was head over heels in love with Kyouichi, with the feelings persevering to the present day. Wataru observes that Kyouichi leaves everything to the other person in ending relationships. He states Kyouichi is easy to read.

Chikako Otomo
He was hired by Kyouichi's wife to investigate her husband.