|Name in Japanese||一色 誠|
|Romaji Translation||Isshiki Makoto|
|Debut (Anime)||Chuunibyou Demo Koi ga Shitai! Episode 01 - Chance Encounter... with Wicked Lord Shingan|
|Debut (Light Novel)||Chuunibyou Demo Koi Ga Shitai! Volume 1|
|Appears in||Anime , Light Novel|
|Voice Actor (Japanese)||Sōichirō Hoshi|
|Voice Actor (English)||Greg Ayres|
|Birthday||December 7 (Sagittarius)|
|Age||15 (S1) 16 (S2) 17 (Movie, Flashback only)|
|Title||High School Freshman (Classmate with Yuuta Togashi)|
He is voiced by Souichirou Hoshi in the anime. In the English dub, he is voiced by Greg Ayres .
Makoto was the first friend that Yuuta Togashi made in high school and he sits behind Yuuta. Similarly to Yuuta, Makoto hardly knew anyone in their class at first. He often makes profiles of other girls in the class. He later joins the Light Music Club to get attentions from girls until he met Kumin Tsuyuri. He bought a new red electric guitar but barely knew how to play it. Later on, he decides to leave the club, but his seniors didn't approve of his decision.
Makoto is dark-skinned with short black hair that was shaved off later and blue eyes.
Makoto is a friendly boy who befriends Yuuta Togashi on their first day in class. He often makes profiles on other girls and is constantly trying to get their attention; a pervert. He falls in love with Kumin Tsuyuri when she is longing to pat his head.
When Makoto was in junior high, he had a baseball crew cut. He doesn’t like having a crew cut because he thinks it makes him looks like a grade schooler. Unfortunately, his father turned bald at the age of 35 and he inherited his father’s genes. Judging from the genes, he'll go bald in a little over 20 years. Makoto was caught in the act of having a poll on the “Cutest girl in the class” and he accepted the self-given punishment of shaving off all of his hair.
- The name Makoto means "sincerity" (誠).
- Makoto's surname Isshiki means "one" (一) (is) and "color" (色) (shiki).
- Greg Ayres (Makoto's voice actor) is known for voicing:
- Kaoru Hitachiin in Ouran High School Host Club
- Negi Springfield in Negima! Magister Negi Magi
- Monokuma in Danganronpa: The Animation
- Nagisa Hazuki in Free! - Iwatobi Swim Club
- Youhei Sunohara in Clannad