Nisekoi: false love, vol. 11 (Viz Media)

Love triangle! Comedic antics!! Gang warfare?! You won't want to miss out on Shonen Jump's laugh-out-loud feel-good manga series! It's hate at first sight when Raku Ichijo first meets Chitoge Kirisaki. But much to their chagrin, the two are forced into a false love relationship to keep the peace between their feuding gangster families. When Raku gets amnesia from a baseball accident, his friends try to help jog his memory. But even when they try recreating memorable events in their lives, nothing seems to work! Will Raku get his memory back...and remember Chitoge?