Denpa Kyoushi summary:

The storyline follows Jun'ichiro Kagami, whose sister Suzune is mad at him because of his complete disinterest in the world that is real. Suzune compels him to go on work as a physics teacher replacement in exactly the same high school from which he graduated as Jun'ichiro is interested in only games, manga and anime. Jun'ichiro Shows himself a hard-working and competent instructor who comes with techniques according to the apparently worthless knowledge inspire and he got as an otaku to educate his pupils.

Jun'ichiro Kagami
The key character as well as a 2 4-year old hard-core otaku who spends his days until he's driven by his sister to be a teacher at his alma mater at home trying to to enhance his anime site. Jun'ichiro is a physics key who printed a paper that triggered a chaos that is huge in the world when he was only 17. It proposed a hypothesis to develop a teleportation device in the exact same style of Doraemon's "Anywhere Door". All attempts to disprove the hypothesis so significantly have failed, though it might take centuries for human beings to come up with the technology required to to put together it despite being ridiculed by professors.
Despite being scouted to work on the main research centers on the planet, Jun'ichiro promises to suffer from an illness called "YD" that "only lets him do what he yearns to do", so he rejected their offerings. Yet, after spending several weeks working as a teacher, he's convinced by Koyomi Hiiragi to work on her college. Since then, his time divides between finding ways to incorporate one into the other, typically through using competitive game titles and emphasizing his by-lines and occasionally using his unusual techniques to reform isolated pupils.

Suzune Kagami
Jun'ichiro sister who's constantly mad at her brother's jokes. Her avocation is bat training, and she's the sole man whom Jun'ichiro actually dreads. She prohibits Jun'ichiro from purchasing anything without her blessing and is also responsible for most of the household's financing. Despite all of the problems he causes her, Suzune needs to to deal with him eternally and is quite fond of him. She's a custom of hitting on the others, generally Jun'ichiro, with her bat when she is upset or mad together.
Chapter name View Time uploaded
Chapter 142 1,656 Oct-15-16
Vol.15 chapter 141 1,213 May-21-16
Vol.15 chapter 140 1,112 Mar-08-16
Vol.15 chapter 139 1,080 Feb-17-16
Chapter 138 1,080 Jan-22-16
Chapter 137 1,096 Jan-20-16
Chapter 135 1,006 Jan-20-16
Chapter 134 : A Simple Game 1,006 Jan-20-16
Chapter 131 : Messenger 965 Jan-20-16
Chapter 130 : Game Clear 988 Jan-20-16
Chapter 125 : Traitor 865 Jan-20-16
Chapter 114 : Just Lines 922 Jan-20-16
Chapter 113 : Real Wish 915 Jan-20-16
Chapter 112 : Put An End 936 Jan-20-16
Chapter 105 : Scout 929 Jan-20-16
Chapter 104 : Draw 886 Jan-20-16
Chapter 86 : The Rookie 929 Jan-20-16
Chapter 78 : Remake 1,048 Jan-20-16
Chapter 77 : Victor 984 Jan-20-16
Chapter 70 : Bonus Stage 1,155 Jan-20-16
Chapter 66 : Recapture 1,067 Jan-20-16
Chapter 64 : Audition 1,102 Jan-20-16
Chapter 59 : Audition 995 Jan-20-16
Chapter 57 : My Stage 1,000 Jan-20-16
Chapter 55 : Another Girl 1,029 Jan-20-16
Chapter 54 : Street Girl 1,153 Jan-20-16
Chapter 51 : Test in Akiba 1,159 Jan-20-16
Chapter 49 : Virtual Makina 1,187 Jan-20-16
Chapter 46 : It's a Secret 1,140 Jan-20-16
Chapter 42 : SCARY... 1,132 Jan-20-16
Chapter 39 : Surprise Guest 1,091 Jan-20-16
Chapter 37 : Confession 1,159 Jan-20-16
Chapter 36 : Partner 1,074 Jan-20-16
Chapter 33 : Special People 1,130 Jan-20-16
Chapter 26 : Routine Buster 1,258 Jan-20-16
Chapter 25 : My Motto 1,189 Jan-20-16
Chapter 22 : Fun Times 1,231 Jan-20-16
Chapter 21 : The Reunion 1,233 Jan-20-16
Chapter 15 : A Normal Voice 1,379 Jan-20-16