Baka to Test to Shoukanjuu Ni!
English name: Baka & Test – Summon the Beasts 2
Genres: Comedy, Romance
Type: TV, Episodes: 13
Aired: Jul 8, 2011 to Sep 30, 2011
Studio: SILVER LINK.
Source: Light novel
Rating: PG-13 - Teens 13 or older
Synopsis:
The blockheads of Class F return with more misadventures! Rather than desperately competing against the elite students in Class A for better facilities, they have other problems at hand. While the girls are constantly vying for the boys' attention, Akihisa Yoshii and Yuuji Sakamoto are being blackmailed by a stalker who threatens to reveal their most embarrassing secrets to the whole school. Moreover,  everyone's avatar starts to behave strangely. 

Filled with more nosebleeds and eye-pokes, the boys of Class F must work together to discover the stalker's identity and deal with the misfortunes that come with love among fools.