Murakami Fumio and Mochidzuki Erena are great friends with each other, but their personalities couldn't be further apart, making everyone else wonder why they're so close. Some people don't even understand why they're friends. This is the story of how they became friends.
I forgot to thank you for this morning.
Ich hab ganz vergessen, dir zu danken.
Olvidé agradecerte esta mañana por esto.
Me olvidé esta mañana de 
darte las gracias por esto.
Stamattina mi sono dimenticata di ringraziarti.
Eu esqueci de agradecer por aquilo.