
Quick answer — Tadahiko Takahashi worked on Encouragement of Climb: Next Summit (Title Logo Design), Encouragement of Climb Season 3 (Title Logo Design), ONIMAI: I'm Now Your Sister! (Title Logo Design) and 1 more anime.
Tadahiko Takahashi worked on Encouragement of Climb: Next Summit (Title Logo Design), Encouragement of Climb Season 3 (Title Logo Design), ONIMAI: I'm Now Your Sister! (Title Logo Design), Encouragement of Climb Season 3 OVA (Title Logo Design).