Set six years prior to the events of Barakamon, detailing the life of Seishuu Handa as a high school student—and a very interesting life it is.
In Handa-kun, Seishuu Handa is admired by his peers as a calligraphy genius and given the utmost respect, but Handa-kun himself is under the mistaken impression that the deference and attention he receives from the other students is actually bullying. Handa just wants to live a quiet life, but hilarity ensues as one character after another challenges his position as the school idol, and somehow comes away as a fan all while Handa is horrified and clueless.
High-school student Handa Sei is well-liked and highly regarded -- except in his own mind.
As likeable as Handa is, his negative outlook leads to mixed results in his encounters with various students.
Handa's daily antics inspire even more students to embrace him as a treasured friend -- unfortunately, without him realizing it.
Handa-kun has proven that he has an unusual charm attracting various people to him, including those he may not want to be associated with...
Despite his best efforts, Handa continues to get involved in the most bizarre situations. This time, his misadventures end up affecting his memory.
Kawafuji decides to introduce Handa to his friend, but as usual, Handa's knack for misinterpretation turns the entire situation on its head.
Sadly, the Handa Force has two members who need to take the supplementary exam. What they don't realize is that Handa himself is in the same boat.
The school trip becomes an unforgettable experience for Handa and the Handa Force when they encounter Ichimiya and his gang from Shiro High.
Handa's teacher plans to have his students dissect frogs, and Handa wants no part of it. But, as usual, Handa's feelings fail to come across.
Kondo's time to shine finally arrives, while Handa gets caught in a conversation with a bishoujo figure.
Amidst preparations for the upcoming school cultural festival, Handa begins to gain a new perspective.
High-school student Handa Sei is well-liked and highly regarded. As the school cultural festival comes to a close, Handa's world opens up before him.