Masayoshi Komi is Shouko's father.

Like Shouko and Shousuke, Masayoshi rarely speaks. Similar to his daughter, Masayoshi struggles to express himself verbally and can at times be easily flustered.

Complementary to his wife's youthful attitude, Masayoshi often appears mature and stoic. While he may come across as stern, he is often shown to be kind, considerate, and supportive.

Like his son, Masayoshi tends to make up for his lack of communication with strong actions, and is generally talented is a variety of skills, including baking, woodworking, motorcycle riding, and sandcastle construction. Despite his stoic expression, he is adept at non-verbal communication and often holds silent conversations with his children, much to Shuuko's amusement.

(Source: Komi-san Wiki)