Episode 1
Dominos
Yokoi-san is trying her best to listen in class, but she can't help but watch as Seki-kun is lining up erasers...
Episode 2
Shogi (1)
Yokoi-san is trying to pay attention as usual. And then Seki-kun starts playing shogi next to her and it turns...
Episode 3
Desk Polishing
Seki-kun starts shining his desk during class. Amazed at the effect of his work, Yokoi-san finds herself being...
Episode 4
Go
Seki-kun starts playing Go on his desk. Yokoi-san tries to ignore this since she doesn't know the rules, but t...
Episode 5
Eraser Stamp
During science class, Seki's attempts at constructing a hanko stamp from his eraser are hindered by his laid-b...
Episode 6
Disaster Drill
Whilst participating in a disaster drill, Rumi notices that a robot family that Seki has brought into class is...
Episode 7
Note Passing
Seki creates an elaborate post office system for passing notes around the class; with many protocols that prev...
Episode 8
Shogi (2)
Seki crafts another shogi tale, this time depicting a princess who marries a pawn but is soon kidnapped.
Episode 9
Knitting
As Seki knits in class, Rumi watches him as an expert, but is surprised by some of his maneuvers as well as th...
Episode 10
Golf
During art class, Seki plays a miniature-sized game of golf on his worn-out desk, whilst Rumi's classmate, Sak...
Episode 11
Mountain Climbing
Rumi watches in harrowing anticipation as Seki has a group of miniature bears do a mountain climbing expeditio...
Episode 12
RC Car
Seki studies a set of driving rules, takes a written driving test, and then makes a driving course on his desk...
Episode 13
Pool
During water safety lessons, Rumi once again becomes invested in the diligence of the robot family, becoming p...
Episode 14
Lunch
During lunch break, Rumi is a little disturbed by the manner in which Seki eats the octopus weiners he made fo...
Episode 15
Paper Sumo
Whilst Rumi is off school with a cold, Goto observes Seki as he plays a game of paper sumo involving a robot o...
Episode 16
Shogi vs. Chess
As the class watches an instructional video, Seki plays a game of "Shogi vs. Chess" in the dark, with Rumi eag...
Episode 17
Fukuwarai
Seki puts on a blindfold and plays a game of fukuwarai, which soon evolves into a twisting story about family...
Episode 18
Magic
With their desks pushed together in order to share a printout, Rumi attempts to ignore Seki as he performs som...
Episode 19
Glasses
Seki brings various pairs of glasses to see which pair looks the best on him.
Episode 20
Flipbook
Seki draws a flip book comic in his textbook, which he even records sound effects to, leaving Rumi curious abo...
Episode 21
Bag Inspection
Rumi learns of a surprise belongings inspection, believing it to be the perfect chance for Seki to get busted....