 If you liked
Fune wo Amu
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 ...then you might like
Koi wa Ameagari no You ni
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Both deal with old men that are somehow bonded to words/literature. Fune wo Amu is solely focused on that, while KoiAme shows it after a while.
Kondo (After the Rain) and Majime (the Great Passage)'s passions are both in the field of literature, though in different specialties. From their POV, romance is also oblique relation to that passion as they navigate the situation of a high schooler in love with him (Kondo) or his marriage (Majime).