Takeshi is a quite shy boy.
Takeshi is bullied at school due to his personality, which leads to him displaying symptoms of depression. At the end, he finally stand up for himself and fight off two bullies before he looks up at the sky hoping his dad is watching.
- The name Takeshi means "sturdy, strength, robust, tough" (剛) (take) and "history" (史) (shi).
- Takeshi's surname Inuyashiki means "dog" (犬) (inu) and "mansion" (屋敷) (yashiki).