Maburaho

He Kept It... (1x22)

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Rin Kamishiro is still worrying about what will happen to Kazuki if she returns his ashes, things are made more complicated when Kuriko decides that Kazuki will take Rin on a date for the day in an attempt to restore Kazuki's ashes. Fearful that once his ashes return, Kazuki will lose all memory of the girls; Rin resolves to leave, with Kazuki's ashes and never return, but she repents after witnessing the lengths he will go to keep a promise. After demanding that Kazuki will not forget the girls, she returns his ashes and everything seems fine until Kazuki collapses in pain. The episode ends with Yamase on a train wondering how everyone is.