The Wallflower
Starring Showtaro Morikubo, Hirofumi Nojima, Yukiko Takaguchi, Yuuya Yamauchi, Tomokazu Sugita, Mai Nakahara, Yuka Komatsu, Norihisa Mori, Nina Kumagaya, Hiromi Konno
It's a animation and drama show, and has a rating of 7.4 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from Colombia.