Happy you’re enjoying it! The hint for both Reichou’s and Neesan’s routes is in the game’s tagline.
If you want specific directions, here they are in ROT13: Lbh arrq gb unir ng yrnfg bar cbvag jvgu Ubaxhv naq Snagbzr naq n znwbevgl jvgu Ervpubh. Vs lbh cvpx “Tb onpx tb gur pynffebbz” naq gura “Ohl fbzr gvzr” lbh trg bar cbvag jvgu Ubaxhv, gura lbh pna pbagvahr ol purpxvat bhg gur bgure pynffebbzf gb zrrg hc jvgu Snagbzr. Cvpxvat Ervpubh nsgre gung fubhyq oevat lbh gb uvf ebhgr!
I’m currently on vacation but I’ll be working on a guide as soon as I’m back :) Thank you for enjoying the game!