Kyouichi Ootomo

Kyouichi Ootomo (大伴 恭一) is a character in The Cornered Mouse Dreams of Cheese. In the live action film he will be played by Tadayoshi Okura.

Personality
Willing to do things to maintain the peace, whether it is shopping with his wife, to being intimate with a man so he does not inform her of any affairs that could disrupt a comfortable life.

Background
Meeting Wataru at university, he would find him again after seven years apart. Kyouichi had an affair the one time after a woman seduced him, which resulted in his wife hiring someone to investigate him.

The Cornered Mouse Dreams of Cheese
Kyouichi has his jacket removed by Wataru, he remembers dining with him as he learned his wife had hired a private investigator to find out if he had cheated on her. Wataru, his friend from university got the job.

Arriving home, Kyouichi finds his wife sleeping. Later, Wataru has found some new information on him. Told his wife is also acquiring credit card debts for the stuff she buys, Kyouichi considers even before their marriage she was not fond of sleeping with him, so enjoys his time with Wataru.

Taking his wife shopping, Kyouichi notices Wataru in a restaurant nearby. Speaking to him later concerning the man who was with him, Kyouichi hears he was Wataru's boyfriend.

Arriving home, he finds that his wife wants to divorce him. Their only connection was shopping, so his actions were not revealed and were not a factor.

With Wataru visiting him at his apartment, Kyouichi feels the social activities he suggests are nice.

At a school reunion he meets Misaki again and spends the night with her, whilst thinking about Wataru.

His girlfriend from the past, Natsuo also comes across him and Wataru as well.

Wataru Imagase
Meeting him at university, Kyouichi finds out the person who his wife hired to investigate him is none other than Wataru who loves him. Although Kyouichi is fond of woman he often thinks of Wataru as well and heads to join him on multiple occasions.

Chikako Otomo
He has been married to his wife for around a year. Kyouichi states buying her things is the only way he can keep her happy. Taking Chikako shopping, he is not sure what to talk about, thinking they do not even have the same taste in movies.