When the loner Hachiman Hikigaya is coerced into joining the “Services Club” run by the smart, attractive, and stuck up Yukino Yukinoshita, it’s a recipe for disaster! But we haven’t yet added the third caustic ingredient! Bright and cheery Yui Yuigahama needs the Service Club’s help to bake cookies. It could be a recipe for romance. It could just as easily end in a nuclear meltdown! Get ready for romantic comedy gone totally wrong as the barrage à trois of the Service Club is unleashed!
A loner with an inferiority complex is tricked into joining the "Services Club", and along with the young and beautiful, yet extremely stuck up president (who's become a thorn he cannot shake), they help students with their problems...at any cost.
Hachiman bears witness as Yui tries to either fit in or break away from her social group. something he is not sure of either way. Later, the club receives a new request from an old friend of Hachiman's.
As Hachiman continues to hone his skills in the art of being left alone, another student comes to him with a new request for the club.
Hachiman has a small crisis concerning little sisters and what they mean. Afterward he receives a mysterious text, outlining the club's next student request.
Hachiman's sister is asked for advise from her classmates. Apparently she has been acting strange lately, and the Service Club intends to find out why.
Shizuka announces that Hachiman and Yui must go on a recruitment drive to find more members, and they know exactly who to target.
Shizuka is constantly calling and texting Hachiman while he tries to relax during summer vacation.
Shizuka readies a bonfire and a “test of courage.” Later, Yui recognizes the limo that hit Hachiman.
Hachiman becomes restless as summer draws to an end. A Firework Festival opens the door for more teasing and many SNAFUs!
Yui notices a rift forming between Hachiman and Yukino. Hachiman is nominated to serve on the committee for the school’s upcoming cultural festival.
Hachiman and Yui check on Yukino. Later, Hachiman shakes things up with the committee when he decides to alter their mindset.
Soubu High's Cultural Festival continues and Hachiman is stuck carrying out his duty as a committee member by documenting the day's events on film.
A mysterious request to helm the upcoming sports festival arrives. The group must band together to figure out a way to pull it off.