If you liked
Sacchan, Boku wa.
|
...then you might like
Kimi ni Koisuru Satsujinki
|
both are drama romance with male protagonists delving into the human psyche's reaction (or lack thereof in the case of sacchan boku wa) to love and affection, with obsession and innate hypersexuality playing major themes in both. while both are on separate ends of the spectrum, they still have similar tones and story progression.
If you liked
A Good Day to Be a Dog
|
...then you might like
Romance 101
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both center a female lead who crushes on their charming co-worker/school-mate, and begs for the help of said co-worker/school-mate's best friend who coincidentally is another one of their love interests. While Good Day has a more supernatural twist, they both are jam packed with comedy and drama.
If you liked
Hirunaka no Ryuusei
|
...then you might like
Last Game
|
both include more than 3 characters stuck in love triangles. Both main characters learn what "love" is while also having the time of their lives with their friends.
If you liked
Shishunki Bitter Change
|
...then you might like
Mousou Telepathy
|
Both have a main character(s) that hide a supernatural ish secret. They're both coming of age dramas set during high school with romance being a strong part of the story. They both have simplistic art styles.
If you liked
Gekkan Shoujo Nozaki-kun
|
...then you might like
Houkago wa Kissaten de
|
both are slice of life comedies about a girl who tends to over think situations and are both hopeless romantics who are in love with dense hotties.
If you liked
Jumyou wo Kaitotte Moratta. Ichinen ni Tsuki, Ichimanen de.
|
...then you might like
Tokidoki
|
Both manga deal with protagonists who strive to create great memories before they pass away.