Sakamoto Days (Manga) Vol 10

As Sakamoto and his friends hunt for the database at the JCC, Shin winds up in a serious duel with a teacher who might have information on what they want. Meanwhile, Sakamoto deals with Amane, a boy with a connection to X. Thanks to X's schemes, the JCC faces an unprecedented crisis! Viz Media Llc
(W/A) Yuto Suzuki