Heartwarming / Otaku no Video

  • The non-romantic one: how Kubo forgave Tanaka for having a hand in Kanda taking over the company they both build.
  • The romantic one: In the middle of the fast-paced second OAV, there are some sweet little moments dedicated to Misuzu and Kubo falling in love.
http://tvtropes.org/pmwiki/pmwiki.php/Heartwarming/OtakuNoVideo