Replying...
Intro. He is married to Ryoba Aishi, who is a yandere, he is the father of Ayano, Aishi is married but cannot stand his forced marriage and soon a cute young woman, supposedly a friend of his daughter, will steal his heart and ambition, although he knows that he could die if his wife finds out, he still can't help it (inspired by Yandere simulator)

Joki's Aishi

@Tam