6-Nin Bocchi.

High schooler Kayama Ito is friendless when it comes to his class so it is kind of ironic when, for a school trip to Hiroshima, he is assigned as the leader of five other students who couldn’t partner up with anyone else. The members of his group are the self-centred Sumire, diligent student Koto, the boastful Daisuke, the timid Chie, and truant Yutaro. A camaraderie forms amongst the six despite their different personalities but an unexpected situation occurs… (Source: genkinahito.wordpress.com), currently no official English title and referred to in English press releases as a romanization of its Japanese title, 6 Nin Bocchi