Kyoushirou to Towa no Sora

Anime where the male lead (or major supporting actor) wears glasses

A list of anime containing ecchi elements, but are not tagged as ecchi by MAL. While the ecchi content may not be as prevalent or extreme as officially-tagged ecchi titles, there is still enough to be of interest to fans of the ecchi genre. Many of these register at least 1.5/3 stars on AniDB's "tag-weighting" system for ecchi.
Conversely, those who don't care for ecchi may wish to use this stack for cautionary purposes, as these titles may contain things like pantyshots, revealing outfits, incestuous overtones, oversized/jiggling breasts, swimsuit/lingerie moments, extended bath/shower scenes, lewd dream/fantasy sequences, innuendo, or general fanservice in an otherwise serious/"respectable" show.
Only the first seasons of franchises are listed. Some titles may (eventually) have additional details explaining why I've placed them on the list.

Part 1: https://myanimelist.net/stacks/24838
Part 3: https://myanimelist.net/stacks/26747

Anime series that covers all of the original source they're based on, with some notes.

Check out the other parts at this link:
https://myanimelist.net/profile/Yuriko_Sakai/stacks
The Stacks are updated constantly so check them every once in a while :)

A big "thank you" to my friend Lorissagg for helping me with some researches :D
Here's his profile if you're interested: https://myanimelist.net/profile/Lorissagg

Both the source material - manga - and the anime adaptation are done. If there is something to note, it will be written in the respective area.
"-" are informations
"+" are other adaptations such as sequels, etc.

If I am wrong about anything, please DM me, so I can correct it.